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Probability and Statistics II: Random Variables – Great Expectations to Bell Curves - 4 본문

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Probability and Statistics II: Random Variables – Great Expectations to Bell Curves - 4

LeoBehindK 2023. 12. 17. 23:47
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Cumulative Distribution Functions

 

cdf (cumulative distribution function, 누적분포함수)은 이산확률함수나 연속확률함수의 특정 누적값을 의미한다.

pdf나 pmf 전부 확률 함수이므로 특정 범위를 확률을 계산한다고 생각하면된다.

연속 누적분포 함수

 

이산 누적분포 함수
median 중앙값 찾기

cdf를 통해서 median을 찾을 수 있다. 

 

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