Data Science
— Beginner Level Roadmap
Module 1: Introduction to Data & Its Applications
What is Data? Types (Structured vs. Unstructured)
Importance of Data in Business, Health, Finance, and AI
Roles in Data Science (Data Analyst, Data Scientist, ML Engineer)
Real-world case studies (Netflix, Amazon, Healthcare)
Outcome: Understand why data matters and the career opportunities in data science.
Module 2: Python Programming Basics
Setting up Python & Jupyter Notebook/Google Colab
Understanding Syntax, Indentation & Comments
Variables & Data Types (int, float, string, boolean)
Basic Input/Output
Operators (Arithmetic, Logical, Relational)
Practice: Write a program to calculate BMI or convert Celsius to Fahrenheit.
Module 3: Data Types, Variables & Operators in Depth
Lists, Tuples, Sets, Dictionaries
Indexing & Slicing
Conditional Statements (if, elif, else)
Loops (for, while)
Functions (def, parameters, return values)
Mini-Task: Write a Python function to check if a number is prime.
Module 4: Fundamental Statistics
Descriptive Statistics (Mean, Median, Mode, Range, Variance, Std. Deviation)
Probability Basics (Events, Outcomes, Probability Rules)
Visualizing Data Distribution (Histograms, Box Plots)
Sampling and Population concepts
Mini-Task: Analyze a dataset (e.g., student marks) to calculate averages and visualize distributions.
Module 5: Introduction to Data Visualization
What is Data Visualization?
Using Matplotlib: Line, Bar, Pie, Scatter plots
Using Seaborn: Heatmaps, Pairplots, Histograms
Styling Charts (labels, titles, legends)
Practice: Visualize COVID-19 cases by country using a CSV dataset.
Module 6: Working with Excel & CSV Files
Reading/Writing CSV files using Pandas
Loading Excel sheets
DataFrames: rows, columns, indexing
Filtering, Sorting & Grouping Data
Handling missing values
Practice: Import an Excel sales dataset and generate a monthly sales summary.
Module 7: Mini Project — Simple Data Analysis with Python
Project Idea: Student Performance Analysis
Dataset: Student exam scores
Tasks:
Load and clean data with Pandas
Calculate averages and identify top performers
Visualize performance trends using Matplotlib/Seaborn
Write a short report summarizing insights
Outcome: Apply Python, Statistics, and Visualization together in one project.
✅ By the end of the Beginner Level, students will be able to:
Write Python programs for data analysis
Understand and apply basic statistics
Handle Excel & CSV datasets
Visualize data effectively
Complete a beginner-level project