June 2024
Beginner to intermediate
352 pages
9h 29m
Korean
Content preview from 개발자를 위한 필수 수학
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171
5
장
선형 회귀
5.1
기본 선형 회귀
강아지의 나이와 동물병원 방문 횟수 사이의 관계를 연구해봅시다.
10
마리의 강아지에 대한
가상의 데이터가 있습니다. (실제 데이터든 아니든) 간단한 데이터셋으로 복잡한 기법을 이해
할 수 있으면 복잡한 데이터 없이도 알고리즘의 강점과 한계를 파악할 수 있습니다. 이 데이터
셋을 [그림
5
-
2
]의 그래프에 나타냈습니다.
그림
5-2
10
마리의 강아지 데이터를 나이와 동물병원 방문 횟수를 기준으로 나타내기
이 그래프를 보면 선형 상관관계가 분명하게 나타납니다. 즉, 변수 중 하나가 증가/감소하면
다른 변수도 대략 이에 비례해 증가/감소합니다. 이런 상관관계를 표시하기 위해 점들을 통과
하는 직선을 [그림
5
-
3
]처럼 그릴 수 있습니다.
나이
동물병원 방문 횟수
172
개발자를 위한 필수 수학
그림
5-3
데이터를 통과하는 직선 그리기
이 장의 뒷부분에서 이 직선을 계산하는 방법을 알아보고, 직선의 품질을 계산하는 방법도 살
펴봅니다. 지금은 선형 회귀를 수행해 얻는 이점에 초점을 맞춥니다. 선형 회귀를 사용하면 이
전에 본 적 없는 데이터를 예측할 수 있습니다. ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.