June 2024
Beginner to intermediate
352 pages
9h 29m
Korean
Content preview from 개발자를 위한 필수 수학
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116
개발자를 위한 필수 수학
래서 신뢰 구간이라고 부릅니다.
다만 한 가지 주의할 점은 이 방법이 제대로 작동하려면 표본 크기가 최소
31
이어야 합니다.
중심 극한 정리와 관련되는 지점이죠. 더 작은 표본에서 신뢰 구간을 적용하려면 분산이 더 큰
분포 (더 많은 불확실성을 반영하는 더 뚱뚱한 꼬리)를 사용해야 합니다. 이것이 바로
3
.
6
절에
서 살펴볼
t
분포입니다.
5
장에서는 신뢰 구간을 선형 회귀에 사용해봅니다.
3.5.3
p
값 이해하기
통계적 유의성
statistical
significance
이란 무엇일까요? 우리는 이 말을 엄격하지 않게 자주 사용하곤 하
지만 수학적으로는 어떤 의미일까요? 기술적으로는 많은 사람이 어려워하는
p
값과 관련됩니
다. 하지만
p
값의 개념은 그 발명까지 거슬러 올라가면 이해하기 더 쉽습니다. 다음 예시를 살
펴봅시다. 비록 완전한 예시는 아니지만 몇 가지 아이디어를 얻을 수 있습니다.
1925
년 수학자 로널드 피셔
Ronald
Fisher
는 한 파티에 참석했습니다. 그의 동료 중 한 명인 뮤리얼
브리스틀
Muriel
Bristol
은 차를 맛보는 것만으로 우유보다 먼저 차를 부었는지 알 수 있다고 주장했
습니다. 이 주장에 흥미를 느낀 로널드는 그 자리에서 실험을 시작했습니다.
그는 여덟 잔의 차를 준비해 네 잔에는 우유를 먼저 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.