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Skill Topic ยท Cinematic

๐Ÿ“ˆ Regression โ€” Numbers Predict Karo!

W3Schools AI Tutorial โ€” Hinglish me! Regression = Continuous values predict karna (price,โ€ฆ

Overview
๐ŸŒŸ

๐Ÿ“ˆ Regression โ€” Numbers Predict Karo! โ€” Quick Facts

๐Ÿ“Œ

y_i - \hat{y}_i: $$

Topic 1
โœจ

๐Ÿ“Œ Regression Kya Hai?

๐Ÿ“š Regression ek supervised learning technique hai jo continuous numbers predict karti hai.โ€ฆ
Topic 2
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

๐Ÿ“Š Linear Regression

๐Ÿ’ก

$y$ = predicted value (output)

๐Ÿ”‘

$x$ = input feature

โšก

$m$ = slope (line ka angle)

๐ŸŽฏ

$b$ = intercept (y-axis par kahaanโ€ฆ

Topic 3
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ’ป Linear Regression JavaScript

๐ŸŽฏ `javascript // Linear Regression Class class LinearRegression { constructor() { this.m =โ€ฆ
Topic 4
โญ

๐Ÿ“ Model Kitna Accha Hai? โ€” Evaluation Metrics

โญ 1. MSE (Mean Squared Error): $$MSE = \frac{1}{n} \sum_{i=1}^{n} (y_i - \hat{y}_i)^2$$โ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ”„ Polynomial Regression

๐Ÿ”‘ Jab data curve follow kare, straight line kaam nahi karti! ` Linear (straight line):โ€ฆ
Topic 6
โœจ

โš ๏ธ Overfitting vs Underfitting

โœจ ` Training Data: โ— โ— โ— โ— โ— โ— โ— โ— Underfitting (degree 1): Good fit (degree 2-3):โ€ฆ
Topic 7
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ”ข Multiple Regression

๐ŸŒŸ Multiple features se predict karna: $$y = b_0 + b_1 x_1 + b_2 x_2 + ... + b_n x_n$$ `โ€ฆ
Topic 8
โœจ

๐Ÿ“Š Plotly Regression Visualization

๐Ÿš€ `html <!DOCTYPE html> <html> <head> <scriptโ€ฆ
Topic 9
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐ŸŒ Real-World Regression Examples

๐Ÿ“š | Application | Input Features | Output | |-------------|---------------|--------| | Gharโ€ฆ
Topic 10
๐Ÿ’ก

๐Ÿงช Quick Quiz!

๐Ÿ’ก 1. Regression kya predict karta hai? > Answer: Continuous numbers โ€” price, temperature,โ€ฆ
Topic 11
๐ŸŽฏ

๐Ÿ“ Summary

๐ŸŽฏ | Concept | Description | |---------|-------------| | Regression | Continuous valuesโ€ฆ
Comparison
โœจ

โš ๏ธ Overfitting vs Underfitting

โš–๏ธ

Training Error: High

โš–๏ธ

Test Error: High

โš–๏ธ

Model Complexity: Too simple

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“ˆ Regression โ€” Numbers Predict Karo! ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“ˆ Regression โ€” Numbers Predict Karo! Complete!

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