August 2021
Beginner to intermediate
720 pages
15h 32m
Korean
Content preview from fastai와 파이토치가 만나 꽃피운 딥러닝
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394
2
fastai 애플리케이션 계층 이해하기
이를 해석하기 어려운 한 가지 이유는 매우 유사한 의미를 가진 일부 변수 (예:
ProductGroup
,
ProductGroupDesc
) 때문입니다. 그렇다면 중복 특징을 제거해보죠.
9.6.4
다음과 같은 도표 (덴드로그램 )를 그리며 시작해봅시다.
cluster_columns(xs_imp)
395
9
테이블 데이터 모델링 깊게 알아보기
이 도표에서 가장 의미가 유사한 열의 쌍은 왼쪽 트리의 ‘시작점 (루트 )’에서 가장 멀리 떨어
져 있으며, 초기에 병합된 열들입니다.
ProductGroup
와
ProductGroupDesc
,
saleYear
와
saleElapsed
,
fiModelDesc
와
fiBaseModel
같은 열의 쌍은 꽤 일찍 병합되었습니다. 각 쌍
의 두 열은 실질적인 의미가 같으므로 관계가 매우 밀접하다는 점은 그리 놀라운 일이 아닙니다.
NOTE
_
가장 유사한 쌍은 순위 상관
rank
correlation
을 계산하여 찾을 수 있습니다. 즉 모든 값은 순위(열 내의 순위로 첫
번째, 두 번째, ...
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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.