DS

Data Science Tutorial

Decode Data — Learn Data Science, Analytics & Visualization

📚 25+ Topics 📊 Beginner to Advanced 🆓 100% Free 🇮🇳 English + Hindi (Soon)

▶ Start from Beginning 📋 Table of Contents

📌 About This Tutorial Learn Data Science with Python — NumPy, Pandas, Matplotlib, data cleaning, EDA, statistics, machine learning pipelines and real-world datasets. This course has 25+ topics from basics to advanced. Click any topic to read it.

📋 Data Science Tutorial — Complete Table of Contents

1 Data Science Foundations 5 topics

01 What is Data Science? 02 Data Science Roadmap 2025 03 Python for Data Science 04 Statistics for Data Science 05 Types of Data

2 NumPy & Pandas 6 topics

01 NumPy — Arrays & Operations 02 NumPy — Indexing & Broadcasting 03 Pandas — DataFrames 04 Pandas — Data Cleaning 05 Pandas — GroupBy & Aggregation 06 Pandas — Merging DataFrames

3 Data Visualization 4 topics

01 Matplotlib — Basics 02 Matplotlib — Charts & Plots 03 Seaborn — Statistical Plots 04 Plotly — Interactive Charts

4 Exploratory Data Analysis 5 topics

01 EDA — Step by Step Guide 02 Handling Missing Data 03 Outlier Detection 04 Feature Engineering 05 Correlation Analysis

5 ML for Data Science 5 topics

01 Scikit-Learn — Introduction 02 Train Test Split & Validation 03 Model Evaluation Metrics 04 Hyperparameter Tuning 05 Real Dataset Project

📖 About Data Science