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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30
1
부
머신러닝
이 장에서는 모든 데이터 과학자가 꼭 알아야 할 여러 가지 기초 개념과 용어를 소개합니다. 거
시적인 소개를 담고 있으며 코드가 많지 않은 유일한 장입니다. 간단한 내용이지만 이 책의 나
머지를 읽기 전에 반드시 모든 내용을 완벽하게 이해해야 합니다. 커피 한잔하면서 같이 시작
해보죠 !
TIP
이미 머신러닝의 기초를 모두 알고 있다면
2
장으로 건너뛰어도 됩니다. 확실하지 않다면
2
장으로 건너뛰기
전에 이 장 끝에 있는 연습문제를 풀어보세요.
1.1
머신러닝이란?
머신러닝은 데이터에서부터 학습하도록 컴퓨터를 프로그래밍하는 과학 (또는 예술 )입니다.
조금 더 일반적인 정의는 다음과 같습니다.
[머신러닝은] 명시적인 프로그래밍 없이 컴퓨터가 학습하는 능력을 갖추게 하는 연구 분야다.
_아서 새뮤얼
Arthur Samuel
,
1959
조금 더 공학적인 정의는 다음과 같습니다.
어떤 작업
T
에 대한 컴퓨터 프로그램의 성능을
P
로 측정했을 때 경험
E
로 인해 성능이 향상됐다
면, 이 컴퓨터 프로그램은 작업
T
와 성능 측정
P
에 대해 경험
E
로 학습한 것이다.
_톰 미첼
Tom Mitchell
,
1997
스팸 필터는 (사용자가 스팸이라고 지정한 ) 스팸 메일과 일반 메일의 샘플을 이용해 스팸 메일
구분법을 배울 수 있는 머신러닝 프로그램입니다. 시스템이 학습하는 데 ...
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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.