May 2020
Beginner to intermediate
952 pages
24h 11m
Korean
Content preview from 핸즈온 머신러닝(2판): 사이킷런, 케라스, 텐서플로 2를 활용한 머신러닝, 딥러닝 완벽 실무
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91
2
장
머신러닝 프로젝트 처음부터 끝까지
2.4
데이터 이해를 위한 탐색과 시각화
지금까지는 다뤄야 할 데이터의 종류를 파악하기 위해 데이터를 간단히 살펴보았습니다. 이제
조금 더 깊이 파악해보도록 하겠습니다.
먼저 테스트 세트를 떼어놓았는지 확인하고 훈련 세트에 대해서만 탐색을 하겠습니다. 또한 훈
련 세트가 매우 크면 조작을 간단하고 빠르게 하기 위해 탐색을 위한 세트를 별도로 샘플링할
수도 있습니다. 예제에서는 크기가 작으므로 훈련 세트 전체를 사용하겠습니다. 훈련 세트를
손상시키지 않기 위해 복사본을 만들어 사용합니다.
housing = strat_train_set.copy()
2.4.1
지리적 데이터 시각화
지리 정보 (위도와 경도 )가 있으니 모든 구역을 산점도로 만들어 데이터를 시각화하는 것은 좋
은 생각입니다 (그림
2
-
11
).
housing.plot(kind="scatter", x="longitude", y="latitude")
그림
2-11
데이터의 지리적인 산점도
92
1
부
머신러닝
이 그림은 캘리포니아 지역을 잘 나타내지만 어떤 특별한 패턴을 찾기는 힘듭니다.
alpha ...
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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.