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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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.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.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.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.
606
3
부
부록
8
.
당연히 두 개의 차원 축소 알고리즘을 연결할 수 있습니다.
PCA
로 불필요한 차원을 대폭
제거하고 난 다음
LLE
같이 훨씬 느린 알고리즘을 적용하는 것이 대표적인 사례입니다. 이
런
2
단계 방식은
LLE
만 사용했을 때와 거의 비슷한 성능을 내지만 속도가 몇 분의
1
로 줄
어들 것입니다.
연습문제
9
,
10
의 정답은
https
://
github
.
com
/
rickiepark
/
handson
-
ml
/
에 있는 주피터 노
트북을 참고하세요.
9
장
:
텐서플로 시작하기
1
.
바로 계산을 실행하지 않고 그래프를 만드는 주요 장점과 단점은 다음과 같습니다.
●
주요 장점
-
텐서플로가 자동으로 그래디언트를 계산할 수 있습니다 (후진 모드 자동 미분을 사용
하여 ).
-
텐서플로가 여러 스레드에서 연산을 병렬로 실행할 수 있습니다.
-
동일한 모델을 여러 장치에 걸쳐 실행시키기 편리합니다.
-
내부 구조를 살피기 쉽습니다. 예를 들어 텐서보드에서 모델을 시각화할 수 있습니다.
●
주요 단점
-
익숙하게 다루려면 시간이 필요합니다.
-
단계별 디버깅을 수행하기 어렵습니다.
2
.
예.
a
_
val
=
a
.
eval
(
session
=
sess
)
는
a
_
val
=
sess
.
run
(
a
)
와 완전히 동일합니다.
3
.
아니오.
a
_
val
,
b
_
val
=
a
.
eval
(
session
=
sess
),
b
.
eval
(
session
=
sess
)
는
a
_
val
,
b
_
val
=
sess
.
run
([
a
,
b
])
와 동일하지 않습니다. 첫 번째 문장은 그래프를 두
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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.