{"id":100267,"date":"2025-06-07T14:59:14","date_gmt":"2025-06-07T09:29:14","guid":{"rendered":"https:\/\/www.admecindia.co.in\/?p=100267"},"modified":"2025-10-22T12:24:56","modified_gmt":"2025-10-22T06:54:56","slug":"how-to-build-a-predictive-model-using-python-step-by-step-guide","status":"publish","type":"post","link":"https:\/\/www.admecindia.co.in\/data-science\/how-to-build-a-predictive-model-using-python-step-by-step-guide\/","title":{"rendered":"How to Build a Predictive Model Using Python: Step-by-Step Guide"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<p>Ever thought about how platforms like Netflix and YouTube know exactly what you\u2019d like to watch next? Or how banks and financial organizations catch suspicious transactions in real-time? Or even how weather apps make pretty accurate forecasts? All of these systems rely on a technique called <strong>predictive modeling<\/strong>. It is a smart way of using past data to guess what might happen in the future.<\/p>\n\n\n\n<p>The great news is that you don\u2019t need to be a data scientist to understand how it works. If you&#8217;re someone curious about technology, loves solving problems, or wants to dive into the world of machine learning, you\u2019re already halfway there.<\/p>\n\n\n\n<p>In this blog, we\u2019ll take you through a beginner-friendly, step-by-step guide on how to build your very own <strong>predictive model using Python<\/strong>. No complex theories, no confusing buzzwords\u2014just a hands-on approach designed especially for students and aspiring professionals.<\/p>\n\n\n\n<p>Whether you&#8217;re from a coding background or just getting started, Python is one of the easiest and most powerful tools out there to help you build real-world solutions with data.<\/p>\n\n\n\n<p>Ready to explore how machines can \u201cpredict\u201d things? This blog is for you if you want to learn <strong><a href=\"https:\/\/www.admecindia.co.in\/course\/machine-learning-and-ai-training-in-delhi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Machine Learning &amp; AI concepts<\/a><\/strong>. Let&#8217;s get started on this exciting journey!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Let\u2019s Understand a Predictive Model <\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/10\/Python-Predictive-Model-Guide.jpg?resize=800%2C533&#038;ssl=1\" alt=\"Python Predictive Model Guide\" class=\"wp-image-106835\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/10\/Python-Predictive-Model-Guide.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/10\/Python-Predictive-Model-Guide.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/10\/Python-Predictive-Model-Guide.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>A predictive model is a digital tool that predicts the future. But it relies on data and mathematics to make predictions, not on magic tricks.<\/p>\n\n\n\n<p>In simple terms, it\u2019s a tool that looks at patterns in historical data to guess what might happen next. These models are widely used in our daily lives, even if we don\u2019t always notice them.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Real-World Examples: <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li> E-commerce websites use predictive models to suggest products you might like<\/li>\n\n\n\n<li>Banks use them to detect unusual activity and prevent fraud<\/li>\n\n\n\n<li>Healthcare systems use them to predict disease risks and patient outcomes<\/li>\n\n\n\n<li>Schools and colleges can use them to identify students who may need extra support<\/li>\n\n\n\n<li>Sports like cricket can be used to predict which team will win IPL (if it is not already fixed (-_-) )<\/li>\n<\/ul>\n\n\n\n<p>Instead of just reacting to data, predictive models help organizations make smarter, faster decisions before things happen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Predictive Modeling vs Traditional Programming <\/h2>\n\n\n\n<p>In traditional programming, the programmer writes a set of instructions that are to be followed by a computer that guides it about what tasks to perform. But with predictive modeling, the <strong>computer learns the rules from the data<\/strong> itself. This is what makes it a part of machine learning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prerequisites to Get Started <\/h3>\n\n\n\n<p>You don\u2019t need to <strong><a href=\"https:\/\/www.admecindia.co.in\/course\/maths-statistics-course-for-data-science-in-delhi\/\" target=\"_blank\" rel=\"noreferrer noopener\">know advanced math or statistics<\/a><\/strong> to get started. All you need is a <strong><a href=\"https:\/\/www.admecindia.co.in\/course\/python-course-data-analytics-delhi\/\" target=\"_blank\" rel=\"noreferrer noopener\">basic understanding of Python<\/a><\/strong> and curiosity to learn, and you\u2019ll be able to build your first model by the end of this guide.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><em>Tools Required <\/em><\/h4>\n\n\n\n<p>Here are the main Python libraries we\u2019ll use:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tool<\/strong><\/td><td><strong>Purpose<\/strong><\/td><\/tr><tr><td>Pandas<\/td><td>To handle analyse data (loading, cleaning, filtering).<\/td><\/tr><tr><td>NumPy<\/td><td>For numerical operations and arrays.<\/td><\/tr><tr><td>Matplotlib\/Seaborn<\/td><td>For data visualization (graphs and plots).<\/td><\/tr><tr><td>Scikit-Learn<\/td><td>The main library for building and testing predictive models.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>You can install all of these in one go using the command:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"742\" height=\"39\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Matlplotlob-Seaborn.jpg?resize=742%2C39&#038;ssl=1\" alt=\"Matlplotlob Seaborn\" class=\"wp-image-100291\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Matlplotlob-Seaborn.jpg?w=742&amp;ssl=1 742w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Matlplotlob-Seaborn.jpg?resize=300%2C16&amp;ssl=1 300w\" sizes=\"auto, (max-width: 742px) 100vw, 742px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><em>Recommended Environments<\/em> <\/h4>\n\n\n\n<p>You can write and run your code in any of these:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tool<\/strong><\/td><td><strong>Features<\/strong><\/td><\/tr><tr><td>Jupyter Notebook<\/td><td>Great for step-by-step work and visualization.<\/td><\/tr><tr><td>Google Colab<\/td><td>Only requires a browser and the internet to use it.<\/td><\/tr><tr><td>VS Code or PyCharm<\/td><td>Good options if you\u2019re used to coding on your local system,<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">A Complete Walkthrough to Creating a Predictive Machine Learning Model Using Python<\/h2>\n\n\n\n<p>Now that you&#8217;re all set up, let\u2019s break down the <strong>full process of building a predictive model<\/strong>. We&#8217;ll use a simple dataset for this walkthrough. This will keep things beginner-friendly<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step #1. Define the Problem and other steps too<\/h3>\n\n\n\n<p>In this project, the primary goal is to <strong><a href=\"https:\/\/www.geeksforgeeks.org\/steps-to-build-a-machine-learning-model\/\" target=\"_blank\" rel=\"noreferrer noopener\">build a machine learning model<\/a><\/strong> that can predict whether a student will pass or fail. The predicted outcome will be based on their academic performance indicators.<\/p>\n\n\n\n<p>The dataset includes various student attributes such as their name, age, gender, department, city, attendance percentage, final examination score, and grades. However, we identified a critical issue: some students had no grades assigned despite having a final score, and failing students had no grade at all.<\/p>\n\n\n\n<p> To correct this, we created a custom grading system based on score ranges and assigned a new Status column to indicate pass or fail.<\/p>\n\n\n\n<p>From the grading scale, we defined students with grades A to D as &#8220;Pass&#8221; and those with grade F as &#8220;Fail.&#8221;<br>This is a binary classification task, where the model uses input features like Final Score, Attendance, and Grade to predict the binary output: \u201cPass\u201d or \u201cFail\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step #2. Collect or Import Data<\/strong><\/h3>\n\n\n\n<p>For this project, we began by creating a synthetic dataset to simulate a real-world classroom environment. The dataset contains student records with details such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Student_ID<\/li>\n\n\n\n<li>Name<\/li>\n\n\n\n<li>Age<\/li>\n\n\n\n<li>Gender<\/li>\n\n\n\n<li>Department<\/li>\n\n\n\n<li>City<\/li>\n\n\n\n<li>Attendance (%)<\/li>\n\n\n\n<li>Final Score (out of 100)<\/li>\n\n\n\n<li>Grade (assigned based on score brackets)<\/li>\n\n\n\n<li>Status (Pass\/Fail depending on grade)<\/li>\n<\/ul>\n\n\n\n<p>To ensure a more realistic scenario, we intentionally introduced imperfections in the dataset, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Missing values in the Age, Gender, Grade, and Status columns.<\/li>\n\n\n\n<li>Inconsistent formatting (e.g., whitespace, capitalization differences)<\/li>\n\n\n\n<li>Mixed data types<\/li>\n<\/ul>\n\n\n\n<p>We then imported this uncleaned dataset into our Python environment using the <strong><a href=\"https:\/\/www.admecindia.co.in\/data-science\/top-10-python-libraries-to-learn-data-analysis-and-machine-learning\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pandas library<\/a><\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"395\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Pandas-Libraries.jpg?resize=906%2C395&#038;ssl=1\" alt=\"Pandas Libraries\" class=\"wp-image-100302\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Pandas-Libraries.jpg?w=906&amp;ssl=1 906w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Pandas-Libraries.jpg?resize=300%2C131&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Pandas-Libraries.jpg?resize=768%2C335&amp;ssl=1 768w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #3. Preprocess the Data<\/h3>\n\n\n\n<p>Now, checking the numeric values<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"256\" height=\"394\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/numeric-values.jpg?resize=256%2C394&#038;ssl=1\" alt=\"numeric values\" class=\"wp-image-100293\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/numeric-values.jpg?w=256&amp;ssl=1 256w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/numeric-values.jpg?resize=195%2C300&amp;ssl=1 195w\" sizes=\"auto, (max-width: 256px) 100vw, 256px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now checking the number of rows and columns in the dataset:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"83\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/rows-and-coloumns.jpg?resize=107%2C83&#038;ssl=1\" alt=\"rows and column's\" class=\"wp-image-100295\"\/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, looking for missing values in the dataset<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"187\" height=\"289\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/missing-value-in-datasheet.jpg?resize=187%2C289&#038;ssl=1\" alt=\"missing value in datasheet\" class=\"wp-image-100292\"\/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #4. Data Cleaning<\/h3>\n\n\n\n<p>Now, filling the missing values in the age column with the median of the existing ages of other students:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"522\" height=\"273\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Data-cleaning.jpg?resize=522%2C273&#038;ssl=1\" alt=\"Data cleaning\" class=\"wp-image-100274\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Data-cleaning.jpg?w=522&amp;ssl=1 522w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Data-cleaning.jpg?resize=300%2C157&amp;ssl=1 300w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, removing the records whose gender is not mentioned:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"410\" height=\"44\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/gender.jpg?resize=410%2C44&#038;ssl=1\" alt=\"gender\" class=\"wp-image-100283\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/gender.jpg?w=410&amp;ssl=1 410w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/gender.jpg?resize=300%2C32&amp;ssl=1 300w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, filling the missing values in the Grade column according to their Final Score value:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"361\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-value.jpg?resize=679%2C361&#038;ssl=1\" alt=\"final score value\" class=\"wp-image-100282\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-value.jpg?w=679&amp;ssl=1 679w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-value.jpg?resize=300%2C159&amp;ssl=1 300w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, checking for our progress in the data cleaning process:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"189\" height=\"288\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/data-cleaning-process.jpg?resize=189%2C288&#038;ssl=1\" alt=\"data cleaning process\" class=\"wp-image-100275\"\/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, filling in the missing values in the Status column:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"712\" height=\"61\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/status-column.jpg?resize=712%2C61&#038;ssl=1\" alt=\"status column\" class=\"wp-image-100297\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/status-column.jpg?w=712&amp;ssl=1 712w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/status-column.jpg?resize=300%2C26&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/status-column.jpg?resize=700%2C61&amp;ssl=1 700w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, checking if the cleaning process is completed:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"189\" height=\"288\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/cleaning-process-completed.jpg?resize=189%2C288&#038;ssl=1\" alt=\"cleaning process completed\" class=\"wp-image-100273\"\/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Exploratory Data Analysis (EDA)<\/h4>\n\n\n\n<p>EDA is a process of visually analysing the data by plotting different types of plots and graphs using libraries like Matplotlib and Seaborn<br>Now, importing required libraries:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"333\" height=\"65\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/EDA.jpg?resize=333%2C65&#038;ssl=1\" alt=\"EDA\" class=\"wp-image-100278\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/EDA.jpg?w=333&amp;ssl=1 333w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/EDA.jpg?resize=300%2C59&amp;ssl=1 300w\" sizes=\"auto, (max-width: 333px) 100vw, 333px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, plotting a histogram with 20 bars to see the distribution of the Final Score:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"603\" height=\"180\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/20-BARS.jpg?resize=603%2C180&#038;ssl=1\" alt=\"20 BARS\" class=\"wp-image-100269\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/20-BARS.jpg?w=603&amp;ssl=1 603w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/20-BARS.jpg?resize=300%2C90&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/20-BARS.jpg?resize=600%2C180&amp;ssl=1 600w\" sizes=\"auto, (max-width: 603px) 100vw, 603px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"443\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Distribution-Final-score.jpg?resize=679%2C443&#038;ssl=1\" alt=\"Distribution Final score\" class=\"wp-image-100277\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Distribution-Final-score.jpg?w=679&amp;ssl=1 679w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Distribution-Final-score.jpg?resize=300%2C196&amp;ssl=1 300w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, we\u2019re plotting a countplot for analysing the Grades column\u2019s distribution for each student:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"211\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-count.jpg?resize=495%2C211&#038;ssl=1\" alt=\"Grade distribution count\" class=\"wp-image-100288\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-count.jpg?w=495&amp;ssl=1 495w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-count.jpg?resize=300%2C128&amp;ssl=1 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"566\" height=\"452\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-bar.jpg?resize=566%2C452&#038;ssl=1\" alt=\"Grade distribution bar\" class=\"wp-image-100287\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-bar.jpg?w=566&amp;ssl=1 566w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-bar.jpg?resize=300%2C240&amp;ssl=1 300w\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, we\u2019re plotting a scatter plot to analyse the difference between the Attendance and Final Score columns:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"194\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score.jpg?resize=1024%2C194&#038;ssl=1\" alt=\"Attendance vs final score\" class=\"wp-image-100270\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score.jpg?resize=1024%2C194&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score.jpg?resize=300%2C57&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score.jpg?resize=768%2C145&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score.jpg?w=1084&amp;ssl=1 1084w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"803\" height=\"519\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score-2.jpg?resize=803%2C519&#038;ssl=1\" alt=\"Attendance vs final score 2\" class=\"wp-image-100271\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score-2.jpg?w=803&amp;ssl=1 803w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score-2.jpg?resize=300%2C194&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Attendance-vs-final-score-2.jpg?resize=768%2C496&amp;ssl=1 768w\" sizes=\"auto, (max-width: 803px) 100vw, 803px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, we\u2019re analysing the distribution of Gender:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"180\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution.jpg?resize=1024%2C180&#038;ssl=1\" alt=\"Gender distribution\" class=\"wp-image-100284\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution.jpg?resize=1024%2C180&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution.jpg?resize=300%2C53&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution.jpg?resize=768%2C135&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution.jpg?w=1059&amp;ssl=1 1059w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"374\" height=\"391\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution-3.jpg?resize=374%2C391&#038;ssl=1\" alt=\"Gender distribution 3\" class=\"wp-image-100285\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution-3.jpg?w=374&amp;ssl=1 374w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Gender-distribution-3.jpg?resize=287%2C300&amp;ssl=1 287w\" sizes=\"auto, (max-width: 374px) 100vw, 374px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, analysing the grades distribution against a group of departments:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"156\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-vs-department.jpg?resize=501%2C156&#038;ssl=1\" alt=\"Grade vs department\" class=\"wp-image-100289\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-vs-department.jpg?w=501&amp;ssl=1 501w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-vs-department.jpg?resize=300%2C93&amp;ssl=1 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"702\" height=\"432\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-across-departments.jpg?resize=702%2C432&#038;ssl=1\" alt=\"Grade distribution across departments\" class=\"wp-image-100286\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-across-departments.jpg?w=702&amp;ssl=1 702w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-across-departments.jpg?resize=300%2C185&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Grade-distribution-across-departments.jpg?resize=700%2C430&amp;ssl=1 700w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, plotting a boxplot to analyse between attendance and final score attributes:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"788\" height=\"218\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Box-score-attendance.jpg?resize=788%2C218&#038;ssl=1\" alt=\"Box score attendance\" class=\"wp-image-100272\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Box-score-attendance.jpg?w=788&amp;ssl=1 788w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Box-score-attendance.jpg?resize=300%2C83&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Box-score-attendance.jpg?resize=768%2C212&amp;ssl=1 768w\" sizes=\"auto, (max-width: 788px) 100vw, 788px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"495\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-by-attendance-level.jpg?resize=615%2C495&#038;ssl=1\" alt=\"final score by attendance level\" class=\"wp-image-100281\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-by-attendance-level.jpg?w=615&amp;ssl=1 615w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/final-score-by-attendance-level.jpg?resize=300%2C241&amp;ssl=1 300w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #4. Split the Data<\/h3>\n\n\n\n<p>First, import the required libraries:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"145\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/import-required-libraries.jpg?resize=809%2C145&#038;ssl=1\" alt=\"import required libraries\" class=\"wp-image-100290\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/import-required-libraries.jpg?w=809&amp;ssl=1 809w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/import-required-libraries.jpg?resize=300%2C54&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/import-required-libraries.jpg?resize=768%2C138&amp;ssl=1 768w\" sizes=\"auto, (max-width: 809px) 100vw, 809px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, encoding categorical data into numbers like grades A: 0, B: 1, C: 2, D: 3, and E: 4<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"146\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-categorical-data.jpg?resize=1020%2C146&#038;ssl=1\" alt=\"encoding categorical data\" class=\"wp-image-100279\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-categorical-data.jpg?w=1020&amp;ssl=1 1020w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-categorical-data.jpg?resize=300%2C43&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-categorical-data.jpg?resize=768%2C110&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, verifying if encoding was successful:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"259\" height=\"311\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-successful-data.jpg?resize=259%2C311&#038;ssl=1\" alt=\"encoding successful data\" class=\"wp-image-100280\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-successful-data.jpg?w=259&amp;ssl=1 259w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/encoding-successful-data.jpg?resize=250%2C300&amp;ssl=1 250w\" sizes=\"auto, (max-width: 259px) 100vw, 259px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, select the columns that can be independent variables into X, and select the target column that is dependent on the independent variables as y from the dataset:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"876\" height=\"100\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Define-features-target.jpg?resize=876%2C100&#038;ssl=1\" alt=\"Define features target\" class=\"wp-image-100276\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Define-features-target.jpg?w=876&amp;ssl=1 876w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Define-features-target.jpg?resize=300%2C34&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Define-features-target.jpg?resize=768%2C88&amp;ssl=1 768w\" sizes=\"auto, (max-width: 876px) 100vw, 876px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Next, we divide our data into two distinct sets: 80% for training the model and the remaining 20% reserved for evaluating its performance on unseen data.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"869\" height=\"76\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Split-data-into-two-distinct.jpg?resize=869%2C76&#038;ssl=1\" alt=\"Split data into two distinct\" class=\"wp-image-100296\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Split-data-into-two-distinct.jpg?w=869&amp;ssl=1 869w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Split-data-into-two-distinct.jpg?resize=300%2C26&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Split-data-into-two-distinct.jpg?resize=768%2C67&amp;ssl=1 768w\" sizes=\"auto, (max-width: 869px) 100vw, 869px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #5. Model Training<\/h3>\n\n\n\n<p>Now, we are loading the LogisticRegression algorithm, and with fit, we\u2019re training the model on X_train and y_train datasets.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"373\" height=\"228\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-5-model-training.jpg?resize=373%2C228&#038;ssl=1\" alt=\"Step-5 model training\" class=\"wp-image-100298\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-5-model-training.jpg?w=373&amp;ssl=1 373w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-5-model-training.jpg?resize=300%2C183&amp;ssl=1 300w\" sizes=\"auto, (max-width: 373px) 100vw, 373px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #6 | Make Predictions<\/h3>\n\n\n\n<p>Now, will get the predicted values on X_test data, and will store it in y_pred:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"78\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-6.jpg?resize=345%2C78&#038;ssl=1\" alt=\"Make Predictions\" class=\"wp-image-100299\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-6.jpg?w=345&amp;ssl=1 345w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-6.jpg?resize=300%2C68&amp;ssl=1 300w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, we will display our predicted values:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"229\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Predicted-Values.jpg?resize=644%2C229&#038;ssl=1\" alt=\"Predicted Values\" class=\"wp-image-100294\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Predicted-Values.jpg?w=644&amp;ssl=1 644w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Predicted-Values.jpg?resize=300%2C107&amp;ssl=1 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Output:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"340\" height=\"430\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Output.jpg?resize=340%2C430&#038;ssl=1\" alt=\"Output\" class=\"wp-image-100303\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Output.jpg?w=340&amp;ssl=1 340w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Output.jpg?resize=237%2C300&amp;ssl=1 237w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Now, we can download our updated dataset into a new CSV file:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"654\" height=\"126\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Updated-datesheet.jpg?resize=654%2C126&#038;ssl=1\" alt=\"Updated datesheet\" class=\"wp-image-100301\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Updated-datesheet.jpg?w=654&amp;ssl=1 654w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Updated-datesheet.jpg?resize=300%2C58&amp;ssl=1 300w\" sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Step #7. Evaluate the Model<\/h3>\n\n\n\n<p>Now, we will evaluate the performance of our trained model based on its accurate predictions:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"527\" height=\"471\" src=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-7.jpg?resize=527%2C471&#038;ssl=1\" alt=\"Evaluation of Model\" class=\"wp-image-100300\" srcset=\"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-7.jpg?w=527&amp;ssl=1 527w, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/06\/Step-7.jpg?resize=300%2C268&amp;ssl=1 300w\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Here, accuracy: 1.0 means our model\u2019s predictions are 100% accurate, which means our model is perfectly trained to predict whether a student will \u201cPass\u201d or \u201cFail\u201d.<\/p>\n\n\n\n<p>We took a small dataset of 100 records, which is why its accuracy is 100%, but on massive datasets, getting above 90% accuracy can be a time-consuming process to achieve, and a big achievement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step #8. Improve the Model<\/h3>\n\n\n\n<p>Once you&#8217;ve got a working model, here are a few ideas to improve it:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Try different algorithms like Decision Trees, Random Forest, SVM, and XGBoost.<\/li>\n\n\n\n<li>Normalize your data using <strong><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.preprocessing.StandardScaler.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">StandardScaler<\/a><\/strong>.<\/li>\n\n\n\n<li>Use cross-validation to reduce overfitting.<\/li>\n\n\n\n<li>Tune model parameters using <strong><a href=\"https:\/\/www.mygreatlearning.com\/blog\/gridsearchcv\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">GridSearchCV<\/a><\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion on Predictive Model using Machine Learning <\/h2>\n\n\n\n<p>Building a predictive model using machine learning isn&#8217;t just about writing code. It&#8217;s about understanding the problem, preparing your data, choosing the right algorithms, and validating your results.<\/p>\n\n\n\n<p>In this blog, we walked through the entire process: from defining an objective, importing raw data, data cleaning, and performing visual analysis. Finally, training a classification model to predict whether a student will pass or fail.<\/p>\n\n\n\n<p>If we follow a structured approach, then a complex machine learning project becomes manageable. The key is to treat each step, from preprocessing to evaluation, are equally important.<\/p>\n\n\n\n<p>As you continue exploring machine learning, you&#8217;ll realize that the quality of your data and the clarity of your problem statement play a much bigger role than just choosing a fancy algorithm.<\/p>\n\n\n\n<p>Whether you&#8217;re building a student performance predictor or solving a business challenge, the methodology remains the same. With the right mindset and tools, anyone can start building powerful predictive models that turn data into actionable insights.<\/p>\n\n\n\n<p>Learning this skill is very useful for all, especially data analysts, as they can upgrade themselves to AI analysts. So, are you ready to learn this skill? Check out our <strong><a href=\"https:\/\/www.admecindia.co.in\/courses\/data-science-analytics-courses\/\" target=\"_blank\" rel=\"noreferrer noopener\">Data Science and Analytics Courses<\/a><\/strong> and start your learning with industry experts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ever thought about how platforms like Netflix and YouTube know exactly what you\u2019d like to watch next? Or how banks and financial organizations catch suspicious transactions in real-time? Or even [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":106835,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[427],"tags":[112],"class_list":["post-100267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-science","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Build a Predictive Model Using Python: Step-by-Step Guide - ADMEC Multimedia Institute<\/title>\n<meta name=\"description\" content=\"Understand, how to build a Predictive Model using Python, through this Step by Step Guide, and a complete Walkthrough.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.admecindia.co.in\/data-science\/how-to-build-a-predictive-model-using-python-step-by-step-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Build a Predictive Model Using Python: Step-by-Step Guide - 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There\u2019s a\u2026","rel":"","context":"In &quot;Machine Learning and AI&quot;","block_context":{"text":"Machine Learning and AI","link":"https:\/\/www.admecindia.co.in\/category\/machine-learning-and-ai\/"},"img":{"alt_text":"How to Learn AI and Build a Career Everyone Dreams Of","src":"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/09\/How-to-Learn-AI-and-Build-a-Career-Everyone-Dreams-Of.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/09\/How-to-Learn-AI-and-Build-a-Career-Everyone-Dreams-Of.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/09\/How-to-Learn-AI-and-Build-a-Career-Everyone-Dreams-Of.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/09\/How-to-Learn-AI-and-Build-a-Career-Everyone-Dreams-Of.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.admecindia.co.in\/wp-content\/uploads\/2025\/09\/How-to-Learn-AI-and-Build-a-Career-Everyone-Dreams-Of.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/posts\/100267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/comments?post=100267"}],"version-history":[{"count":0,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/posts\/100267\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/media\/106835"}],"wp:attachment":[{"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/media?parent=100267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/categories?post=100267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.admecindia.co.in\/wp-json\/wp\/v2\/tags?post=100267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}