May 2018
Beginner to intermediate
672 pages
16h 54m
Korean
Content preview from 핸즈온 머신러닝: 사이킷런과 텐서플로를 활용한 머신러닝, 딥러닝 실무
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43
1
장
한눈에 보는 머신러닝
그림
1-9
의미 있는 군집을 강조한
t
-
SNE
시각화의 예
9
고양이
승용차
트럭
개구리
배
비행기
말
새
개
사슴
승용차
트럭
새
고양이
개
사슴
말
비행기
개구리
배
또 하나의 중요한 비지도 학습은 이상치 탐지
anomaly
detection
입니다. 예를 들어 부정 거래를 막
기 위해 이상한 신용카드 거래를 감지하고, 제조 결함을 잡아내고, 학습 알고리즘에 주입하기
전에 데이터셋에서 이상한 값을 자동으로 제거하는 것 등입니다. 시스템은 정상 샘플로 훈련되
고, 새로운 샘플이 정상 데이터인지 혹은 이상치인지 판단합니다 (그림
1
-
10
).
널리 사용되는 또 다른 비지도 학습은 대량의 데이터에서 특성 간의 흥미로운 관계를 찾는 연
관 규칙 학습
association
rule
learning
입니다.
10
예를 들어 여러분이 슈퍼마켓을 운영한다고 가정합시
다. 판매 기록에 연관 규칙을 적용하면 바비큐 소스와 감자를 구매한 사람이 스테이크도 구매
하는 경향이 있다는 것을 찾을지도 모릅니다.
9
동물이 운송 수단과 잘 구분되어 있고 말이 사슴과 가깝지만 새와 떨어져 있는 것 등을 확인할 수 있습니다. 이 그림은 소셔 (
Socher
), 간
주(
Ganjoo
), 매닝(
Manning
), 앤드류 응 (
Andrew
Ng
)의 「
T
-
SNE
visualization
of
the
semantic ...
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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.