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๐Ÿš“ Self Study/๐Ÿ”ด Machine Learning

[๋ฐฉํ•™ ์ค‘ ๊ณต๋ถ€] Machine Learning. Probabilities #2

by UKHYUN22 2022. 7. 25.
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 Covariance๊ฐ€ 0์ธ ์ƒํ™ฉ์— ๋Œ€ํ•ด X์™€ TY๊ฐ€ ๋…๋ฆฝ์ธ ๊ฒฝ์šฐ์™€ ๋น„์Šทํ•œ ์„ฑ์งˆ์„ ๊ฐ€์ง„๋‹ค. Correlation๊ณผ Independence ๋˜ํ•œ ๋…๋ฆฝ๋˜์–ด ์žˆ๋Š” ์„ฑ์งˆ๋กœ ์–ด๋Š ํ•˜๋‚˜๊ฐ€ ์„ฑ๋ฆฝํ•œ๋‹ค๊ณ  ๋‹ค๋ฅธ ํ•˜๋‚˜๊ฐ€ ์„ฑ๋ฆฝํ•˜์ง€ ์•Š๋Š”๋‹ค.

 

Chain rule์—์„œ ํ™•๋ฅ ์˜  ์กฐ๊ฑด์œผ๋กœ ๋“ค์–ด๊ฐ€๋Š” ๊ฒƒ์€ ์ด๋ฏธ ํ™•๋ฅ ์˜ ๋ณ€์ˆ˜๋กœ ๋“ค์–ด๊ฐ„ ๊ฒƒ๋“ค๋กœ ๊ตฌ์„ฑ๋œ๋‹ค.