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🎯 Logistic Regression — Classification Ka Foundation

📘 Course: Data Science | 📑 Topic #43 | 🏷️ Section 6: ML for Data Science ⬅️ 42-Linear-Regression |…

Overview

🎯 Logistic Regression — Classification Ka Foundation — Quick Facts

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📑 Topic #43: 🏷️ Section 6: ML for Data Science

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> ⬅️ [42-Linear-Regression](42-Linear-Regression.md): ➡️ 44-Decision-Trees

Topic 1

🎯 Is Topic Me Kya Seekhoge?

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Logistic Regression kya hai —…

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Sigmoid Function — probability 0-1…

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Decision Boundary — kahan cut…

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Binary vs Multiclass — 2 classes…

Topic 2

📊 Logistic Regression Kya Hai?

💡 ` ╔═══════════════════════════════════════════════════════════╗ ║ LOGISTIC REGRESSION 🎯 ║…

Topic 3

📊 Sigmoid Function — Deep Dive

🎯 `python import numpy as np import pandas as pd import matplotlib.pyplot as plt import…

Topic 4

📊 Binary Classification — Step by Step

⭐ `python ======================================== 📊 Binary Classification…

Topic 5

📊 Odds Ratio — Interpretation

🔑 ` ┌─────────────────────────────────────────────────────────────┐ │ ODDS RATIO —…

Topic 6

📊 Decision Boundary & Threshold

✨ `python ======================================== 📊 Decision Boundary…

Topic 7

📊 ROC Curve & AUC

🌟 `python ======================================== 📊 ROC Curve & Precision-Recall Curve…

Topic 8

📊 Multiclass Logistic Regression

🚀 `python ======================================== 📊 Multiclass Classification…

Topic 9

📊 Regularization in Logistic Regression

📚 `python ======================================== 📊 Regularization — C Parameter…

Topic 10

📊 Handling Imbalanced Classes

💡 `python ======================================== 📊 Imbalanced Classification…

Topic 11

📊 Full Python Class: LogisticRegressionEngine

🎯 `python from dataclasses import dataclass, field from typing import Optional import numpy…

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📊 Linear vs Logistic — Comparison

⭐ ` ┌──────────────────────────────────────────────────────────────┐ │ LINEAR vs LOGISTIC…

Topic 13

🧠 Quiz Time!

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A) -∞ to +∞

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B) 0 to 1 ✅

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C) -1 to 1

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D) 0 to ∞

Topic 14

📌 Key Takeaways

✨ | Concept | Yaad Rakho | |---------|------------| | Logistic Reg | Classification, NOT…

Topic 15

⬅️ [42-Linear-Regression](42-Linear-Regression.md) | ➡️ [44-Decision-Trees](44-Decision-Trees.md)

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Quick Quiz

Quiz — Question 1

🎯 Logistic Regression — Classification Ka Foundation ka sabse sahi definition kya hai?

Complete! 🎉

🎯 Logistic Regression — Classification Ka Foundation Complete!

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