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[TIL] ์ด์ค‘ํ˜ธ 201015 (๋ชฉ)

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## ๐Ÿค‘๐Ÿ˜ฒ๐Ÿฅต10์›” 15์ผ JH์˜ TIL

### **์ƒˆ๋กœ ๋ฐฐ์šด ๋‚ด์šฉ**
- ํ›ˆ๋ จ, ๊ฒ€์ฆ, ํ…Œ์ŠคํŠธ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„๋ฆฌํ•˜๋Š” ์ด์œ 
**ํ›ˆ๋ จ :** ๋ชจ๋ธ ๋งŒ๋“ค๊ธฐ
**๊ฒ€์ฆ :** ์˜ˆ์ธก ์˜ค๋ฅ˜ ํ™•์ธ์„ ํ†ตํ•ด ๋ชจ๋ธ ์ •ํ™•์„ฑ ๋†’์ด๊ธฐ
**ํ…Œ์ŠคํŠธ :** ๋ชจ๋ธ ํ…Œ์ŠคํŠธ(๊ฒ€์ฆ ๊ณผ์ •์—์„œ ์ด ๋ฐ์ดํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋„๋ก ์ฃผ์˜)
- ๊ธฐ์ค€ ๋ชจ๋ธ์€ ์ตœ๋นˆ๊ฐ’์œผ๋กœ
- Logistic Regression ๋กœ์ง€์Šคํ‹ฑ ํšŒ๊ท€
- Odds

### **ํ•ด๋ณผ ๊ฒƒ๋“ค**
- ๊ณผ์ œ ๋งˆ๋ฌด๋ฆฌ
- ์›”, ํ™”, ์ˆ˜, ๋ชฉ ๋ฐฐ์šด ๊ฒƒ๋“ค ๋Œ์•„๋ณด๊ธฐ์ด์ด์ด์ด์ด์ดใ…ฃ์ด์ด์ด์ด์ด

### **๋ฐฐ์šด ๋‚ด์šฉ ์ •๋ฆฌ**
ํŠน์ • ๋ฒ”์ฃผ์— ์†ํ•™ ํ™•๋ฅ ์„ ๋ณผ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ?
์„ ํ˜•๋Œ€์ˆ˜๋กœ ํ•˜๋ฉด ๋ฌดํ•œ์œผ๋กœ ๋ป—์–ด๋‚˜์ง€๋งŒ Logistic์€ ํ™•๋ฅ ์„ ๋ณผ ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ค€๋‹ค?..

### **ํ•˜๋ฃจ๋ฅผ ๋Œ์•„๋ณด๋ฉฐ**
๋๋‚  ๋•Œ๊นŒ์ง€ ๋๋‚œ ๊ฒŒ ์•„๋‹ˆ๋‹ค. ์™œ๋ผ๊ณ  ๋ฌป๊ธฐ๋ณด๋‹จ ์–ด๋–ป๊ฒŒ ๊ทธ๋žฌ์„๊นŒ ๋ฌผ์–ด๋ณด๊ธฐ
์–ด๋ ค์šด๊ฒŒ ์•„๋‹ˆ๋ผ ์ œ๋Œ€๋กœ ๋ณด์ง€ ์•Š๊ณ  ๋Œ€์ถฉ ๋ด์„œ ๊ทธ๋Ÿฐ๊ฑฐ์•ผ ๋ผ๊ณ  ๋งํ•˜๊ธฐ
๊ธด์žฅํ•˜๋ฉด ๊ธฐ๋ณธ์ ์ธ ๊ฒƒ๋„ ์•ˆ๋œ๋‹ค. ๋งˆ์Œ ์ฐพ๊ธฐ

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