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Skill Topic ยท Cinematic

๐Ÿ—๏ธ Feature Engineering โ€” Data Se Gold Nikalo!

Aliens School โ€” AI Series #80 Hinglish mein Feature Engineering samjho! ๐Ÿš€

Topic 1
๐Ÿ“Š

๐Ÿ’ก Feature Engineering Kya Hai?

๐Ÿ“Š ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ Feature Engineering = raw data se โ”‚โ€ฆ
Topic 2
๐Ÿ’พ ๐Ÿ“Š ๐Ÿ”ฌ

๐ŸŽฏ Why Feature Engineering Matters

๐Ÿ’พ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ RAW DATA: โ”‚ โ”‚โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ”ง Feature Engineering Techniques

๐Ÿ—„๏ธ 1. Feature Creation ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ Existingโ€ฆ
Topic 4
๐Ÿ“ˆ

๐Ÿ“Š Common Patterns

๐Ÿ“ˆ Date/Time Features ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ timestamp:โ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“‰ Correlation Analysis

๐Ÿ” ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ Correlation = features kaโ€ฆ
Topic 6
๐Ÿ“‰ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ’ป JavaScript Example

๐Ÿ“‰ `javascript // Feature Engineering Toolkit class FeatureEngineer { // Date Featuresโ€ฆ
Topic 7
๐Ÿ”’

๐Ÿ“Š Feature Engineering Checklist

๐Ÿงฎ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ โ–ก Domain knowledge use kiya? โ”‚ โ”‚ โ–กโ€ฆ
Topic 8
๐ŸŒ

โ“ Quiz

๐Ÿ’ก

a) Model fast banta hai

๐Ÿ”‘

b) Better features = betterโ€ฆ

โšก

c) Data size badhta hai

๐ŸŽฏ

a) Normal data

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ—๏ธ Feature Engineering โ€” Data Se Gold Nikalo! ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ—๏ธ Feature Engineering โ€” Data Se Gold Nikalo! Complete!

Aliens School ยท HIEN ยท Cinematic Knowledge

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