๋ชฉ๋ก๐Ÿ‘ฉ‍๐Ÿ’ป ์ธ๊ณต์ง€๋Šฅ (ML & DL)/ML & DL (32)

๐Ÿ˜Ž ๊ณต๋ถ€ํ•˜๋Š” ์ง•์ง•์•ŒํŒŒ์นด๋Š” ์ฒ˜์Œ์ด์ง€?

train validation test set ๊ณผ์˜ ์ฐจ์ด์ 

๐ŸŒŸ Train Set Train set์€ ์˜จ์ „ํžˆ ๋ชจ๋ธ์˜ ํ•™์Šต๋งŒ์„ ์œ„ํ•ด์„œ ์‚ฌ์šฉ parameter๋‚˜ feature๋“ฑ์„ ์ˆ˜์ •ํ•ด์„œ ๋ชจ๋ธ์˜ ์„ฑ๋Šฅ์„ ๋†’์ด๋Š” ์ž‘์—…์„ ๊ฑฐ์น ๋•Œ ์‚ฌ์šฉ ๐ŸŒŸValidation Set Validation set๊ณผ test set์€ ๋ชจ๋ธ์˜ ํ•™์Šต์— ์ง์ ‘์ ์œผ๋กœ ๊ด€์—ฌํ•˜์ง€ ์•Š์Œ ํ•™์Šต์ด ๋๋‚œ ๋ชจ๋ธ์— ์ ์šฉ์‹œ์ผœ test set์„ ์ด์šฉํ•œ ๋ชจ๋ธ์˜ ํ‰๊ฐ€๋กœ ๋„˜์–ด๊ฐ€๊ธฐ ์ด์ „์— ์ตœ์ข…์ ์œผ๋กœ ๋ชจ๋ธ์„ fine tuningํ•˜๋Š”๋ฐ์— ์‚ฌ์šฉ ๋งŒ๋“  ๋ชจ๋ธ์ด test set ์—์„œ, ๊ทธ๋ฆฌ๊ณ  ์‹ค์ œ๋กœ ๋ฐฐํฌ ๋˜์—ˆ์„๋•Œ ๋†’์€ ์„ฑ๋Šฅ์„ ๋‚ผ ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ค์–ด ์คŒ ๐ŸŒŸTest Set Test set์€ ์ตœ์ข…์ ์œผ๋กœ ์šฐ๋ฆฌ๊ฐ€ ๋งŒ๋“  ๋ชจ๋ธ์˜ ์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•œ ๋ฐ์ดํ„ฐ์…‹ ๋ชจ๋ธ์˜ ํ•™์Šต์—๋Š” ์ „ํ˜€ ์‚ฌ์šฉ๋˜์ง€ ์•Š์Œ ๋ชจ๋ธ์ด ๋ฐฐํฌ๋œ ์ดํ›„์— ์‹ค์‚ฌ์šฉ ๋˜์—ˆ์„๋•Œ ๋ชจ๋ธ์ด ์–ผ๋งˆ๋‚˜ ์ข‹์€ ์„ฑ๋Šฅ์„..

๋ชจ๋ธ ํŒŒ๋ผ๋ฏธํ„ฐ batch, epoch, learning rate๋ž€?

batch_size : ๋งค ํ›ˆ๋ จ ๋‹จ๊ณ„๋งˆ๋‹ค ํ•™์Šตํ•  ๋ฐ์ดํ„ฐ์˜ ํฌ๊ธฐ๋ฅผ ๊ฒฐ์ • epoch : ๋ฐฐ์น˜ ์‚ฌ์ด์ฆˆ๋กœ ๋ถ„ํ• ๋œ ํ›ˆ๋ จ ๋ฐ์ดํ„ฐ ์ „์ฒด๋ฅผ 1ํšŒ ํ•™์Šตํ•˜๋Š” ํšŸ์ˆ˜๋ฅผ ๋ช‡ ๋ฒˆ ๋ฐ˜๋ณตํ• ์ง€ learning rate : ๋ชจ๋ธ์˜ weight์ด ์—…๋ฐ์ดํŠธ ๋  ๋•Œ๋งˆ๋‹ค ์˜ˆ์ƒ ์˜ค๋ฅ˜์— ๋Œ€ํ•œ ์‘๋‹ต์œผ๋กœ ๋ชจ๋ธ์„ ์กฐ์ • ๐Ÿ‡ Learning rate ํด ๋•Œ ํ•œ ๋ฒˆ์˜ step์—์„œ ํ•™์Šต์ด ํฌ๊ฒŒ ์ง„ํ–‰ ๋ณดํญ์ด ํฌ๊ธฐ ๋•Œ๋ฌธ์— ์ข€ ๋” ๋นจ๋ฆฌ ์ˆ˜๋ ด ์˜ค๋ฒ„์Š›์ด ์‹ฌํ•˜๊ฒŒ ์ผ์–ด๋‚˜ loss๊ฐ€ ์ „ํ˜€ ์ค„์ง€ ์•Š์Œ ๐Ÿ‡ Learning rate ์ž‘์„ ๋•Œ step ๋ณดํญ์ด ์ž‘์•„ ์กฐ๊ธˆ์”ฉ ํ•™์Šต ์ž‘์€ ๋ณดํญ ๋•Œ๋ฌธ์— local minima์— ๋น ์ง ๐Ÿฆž batch_size ํด ๋•Œ ํ•œ ๋ฒˆ ํ•™์Šตํ•  ๋•Œ ๋งŽ์€ ๋ฐ์ดํ„ฐ๋กœ ํ•™์Šต batch๊ฐ€ ํฌ๋ฉด ๊ณ„์‚ฐ๋˜๋Š” loss๊ฐ’์˜ ํŽธ์ฐจ๊ฐ€ ์ž‘์•„ ๊ณผ์ ํ•ฉ ์œ„ํ—˜ ๐Ÿฆž batch_size ์ž‘..

2. NLTK๋กœ ๋ฌธ์„œ ๊ฐ„ ์œ ์‚ฌ๋„ ์ธก์ •ํ•˜๊ธฐ “์ด ์†Œ์„ค์˜ ์›์ž‘์ž๋Š” ๋ˆ„๊ตฌ์ผ๊นŒ”

221017 ์ž‘์„ฑ https://www.onlybook.co.kr/m/entry/python-projects ์‹ค์ „ ํŒŒ์ด์ฌ ํ•ธ์ฆˆ์˜จ ํ”„๋กœ์ ํŠธ ์‹ค์ „ ํŒŒ์ด์ฌ ํ•ธ์ฆˆ์˜จ ํ”„๋กœ์ ํŠธ ๋ฌธ์ œ ํ•ด๊ฒฐ๊ณผ ์‹ค๋ฌด ์‘์šฉ๋ ฅ์„ ํ‚ค์šฐ๊ธฐ ์œ„ํ•œ ๋‚˜๋งŒ์˜ ํŒŒ์ด์ฌ ํฌํŠธํด๋ฆฌ์˜ค ๋งŒ๋“ค๊ธฐ ๋ฆฌ ๋ณธ ์ง€์Œ | ์˜คํ˜„์„ ์˜ฎ๊น€ 420์ชฝ | 28,000์› | 2022๋…„ 5์›” 31์ผ ์ถœ๊ฐ„ | 185*240*20 | ISBN13 9791189909406 www.onlybook.co.kr https://github.com/rlvaugh/Real_World_Python ๐Ÿ’• NLTK : Natural Language ToolKit์˜ ์•ฝ์ž๋กœ ์ž์—ฐ์–ด ์ฒ˜๋ฆฌ ๋ฐ ๋ถ„์„์„ ์œ„ํ•œ ํŒŒ์ด์ฌ ํŒจํ‚ค์ง€ : ํ† ํฐ์ƒ์„ฑํ•˜๊ธฐ, ํ˜•ํƒœ์†Œ ๋ถ„์„, ํ’ˆ์‚ฌ ํƒœ๊น…ํ•˜๊ธฐ ๋“ฑ ๋‹ค์–‘ํ•œ ๊ธฐ๋Šฅ์„ ์ œ๊ณต ๐Ÿ’• NLTK๋กœ ๋ฌธ์„œ ๊ฐ„ ์œ ..