April 2019
Beginner to intermediate
480 pages
12h 34m
Korean
Content preview from 파이썬 라이브러리를 활용한 머신러닝(번역개정판): 사이킷런 핵심 개발자가 쓴 머신러닝과 데이터 과학 실무서
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31
1
장
소개
1.4.1
주피터 노트북
주피터 노트북은 프로그램 코드를 브라우저에서 실행해주는 대화식 환경입니다. 이런 방식은
탐색적 데이터 분석에 아주 적합하여 많은 데이터 분석가가 주피터 노트북을 사용하고 있습니
다. 주피터 노트북은 다양한 프로그래밍 언어를 지원하지만 우리는 파이썬만 사용하겠습니다.
그리고 주피터 노트북은 코드와 설명, 이미지들을 쉽게 섞어 쓸 수 있습니다. 사실 이 책 전부
를 주피터 노트북으로 썼습니다. 이 책에 포함된 모든 예제 코드는 깃허브(
https
://
github
.
com
/
rickiepark
/
introduction
_
to
_
ml
_
with
_
python
)에서 내려받을 수 있습니다.
4
1.4.2
NumPy
NumPy
(
http
://
www
.
numpy
.
org
/)는 파이썬으로 과학 계산을 하려면 꼭 필요한 패키지입
니다. 다차원 배열을 위한 기능과 선형 대수
5
연산과 푸리에 변환
6
같은 고수준 수학 함수와 유
사
pseudo
난수
7
생성기를 포함합니다.
scikit
-
learn
에서
NumPy
배열은 기본 데이터 구조입니다.
scikit
-
learn
은
NumPy
배열 형
태의 데이터를 입력으로 받습니다. 그래서 우리가 사용할 데이터는 모두
NumPy
배열로 변환
되어야 합니다.
NumPy
의 핵심 기능은 다차원 (
n
-차원) 배열인
ndarray
클래스입니다. ...
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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.