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๐ŸŽฏ Logistic Regression โ€” Classification Ka Foundation

๐Ÿ“˜ Course: Data Science | ๐Ÿ“‘ Topic #43 | ๐Ÿท๏ธ Section 6: ML for Data Science โฌ…๏ธ 42-Linear-Regression |โ€ฆ

Overview
๐ŸŒŸ

๐ŸŽฏ Logistic Regression โ€” Classification Ka Foundation โ€” Quick Facts

๐Ÿ“Œ

๐Ÿ“‘ Topic #43: ๐Ÿท๏ธ Section 6: ML for Data Science

๐ŸŽฏ

> โฌ…๏ธ [42-Linear-Regression](42-Linear-Regression.md): โžก๏ธ 44-Decision-Trees

Topic 1
โœจ

๐ŸŽฏ Is Topic Me Kya Seekhoge?

๐Ÿ’ก

Logistic Regression kya hai โ€”โ€ฆ

๐Ÿ”‘

Sigmoid Function โ€” probability 0-1โ€ฆ

โšก

Decision Boundary โ€” kahan cutโ€ฆ

๐ŸŽฏ

Binary vs Multiclass โ€” 2 classesโ€ฆ

Topic 2
๐Ÿ’ก

๐Ÿ“Š Logistic Regression Kya Hai?

๐Ÿ’ก ` 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•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•— โ•‘ LOGISTIC REGRESSION ๐ŸŽฏ โ•‘โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ“Š Sigmoid Function โ€” Deep Dive

๐ŸŽฏ `python import numpy as np import pandas as pd import matplotlib.pyplot as plt importโ€ฆ
Topic 4
โญ

๐Ÿ“Š Binary Classification โ€” Step by Step

โญ `python ======================================== ๐Ÿ“Š Binary Classificationโ€ฆ
Topic 5
๐Ÿ”‘

๐Ÿ“Š Odds Ratio โ€” Interpretation

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”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ ODDS RATIO โ€”โ€ฆ
Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Š Decision Boundary & Threshold

โœจ `python ======================================== ๐Ÿ“Š Decision Boundaryโ€ฆ
Topic 7
โœจ

๐Ÿ“Š ROC Curve & AUC

๐ŸŒŸ `python ======================================== ๐Ÿ“Š ROC Curve & Precision-Recall Curveโ€ฆ
Topic 8
โœจ

๐Ÿ“Š Multiclass Logistic Regression

๐Ÿš€ `python ======================================== ๐Ÿ“Š Multiclass Classificationโ€ฆ
Topic 9
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Š Regularization in Logistic Regression

๐Ÿ“š `python ======================================== ๐Ÿ“Š Regularization โ€” C Parameterโ€ฆ
Topic 10
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Š Handling Imbalanced Classes

๐Ÿ’ก `python ======================================== ๐Ÿ“Š Imbalanced Classificationโ€ฆ
Topic 11
โœจ

๐Ÿ“Š Full Python Class: LogisticRegressionEngine

๐ŸŽฏ `python from dataclasses import dataclass, field from typing import Optional import numpyโ€ฆ
Topic 12
โœจ

๐Ÿ“Š Linear vs Logistic โ€” Comparison

โญ ` 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”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ LINEAR vs LOGISTICโ€ฆ
Topic 13
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿง  Quiz Time!

๐Ÿ’ก

A) -โˆž to +โˆž

๐Ÿ”‘

B) 0 to 1 โœ…

โšก

C) -1 to 1

๐ŸŽฏ

D) 0 to โˆž

Topic 14
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ Key Takeaways

โœจ | Concept | Yaad Rakho | |---------|------------| | Logistic Reg | Classification, NOTโ€ฆ
Topic 15
๐Ÿ”’

โฌ…๏ธ [42-Linear-Regression](42-Linear-Regression.md) | โžก๏ธ [44-Decision-Trees](44-Decision-Trees.md)

๐ŸŒŸ
Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐ŸŽฏ Logistic Regression โ€” Classification Ka Foundation ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐ŸŽฏ Logistic Regression โ€” Classification Ka Foundation Complete!

Aliens School ยท HIEN ยท Cinematic Knowledge

โœ…

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