Skill Topic · Cinematic

🔄 Data Transformation & Encoding

📘 Course: Data Science | 📑 Topic #11 | 🏷️ Section 2: Data Fundamentals ⬅️ 10-Data-Cleaning-Outliers…

Overview

🔄 Data Transformation & Encoding — Quick Facts

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📑 Topic #11: 🏷️ Section 2: Data Fundamentals

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> ⬅️ [10-Data-Cleaning-Outliers](10-Data-Cleaning-Outliers.md): ➡️ 12-Feature-Engineering-Basics

Topic 1

🎯 Is Topic Me Kya Seekhoge?

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Categorical encoding — Label,…

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Numerical transformations — Log,…

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Text to numbers — TF-IDF, Bag of…

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Date/time features — extract year,…

Topic 2

📐 Why Transformation Needed?

💾 ` ╔══════════════════════════════════════════════════════════════════╗ ║ 🔄 WHY DATA…

Topic 3

🏷️ Categorical Encoding Methods

🗄️ ` ╔══════════════════════════════════════════════════════════════════════╗ ║ 🏷️…

Topic 4

📊 Encoding Visual Examples

📈 ` ╔══════════════════════════════════════════════════════════════════╗ ║ 📊 ENCODING…

Topic 5

📐 Numerical Transformations

🔍 ` ╔══════════════════════════════════════════════════════════════════╗ ║ 📐 NUMERICAL…

Topic 6

🐍 Python Code — TransformationEngine Class

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Categorical encoding guide

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Numerical transformation guide

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Date feature extraction guide

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Decision framework + pitfalls

Topic 7

🧠 Key Takeaways

🧮 ` ╔═══════════════════════════════════════════════════════════════╗ ║ 📝 YAAD RAKHNE WALI…

Topic 8

❓ MCQ Quiz

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A) Label Encoding

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B) One-Hot Encoding ✅

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C) Ordinal Encoding

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D) Frequency Encoding

Quick Quiz

Quiz — Question 1

🔄 Data Transformation & Encoding ka sabse sahi definition kya hai?

Complete! 🎉

🔄 Data Transformation & Encoding Complete!

Aliens School · HIEN · Cinematic Knowledge

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