May 2018
Beginner to intermediate
672 pages
16h 54m
Korean
Content preview from 핸즈온 머신러닝: 사이킷런과 텐서플로를 활용한 머신러닝, 딥러닝 실무
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
110
1
부
머신러닝
cat
_
pipeline
=
Pipeline
([
('
selector
',
DataFrameSelector
(
cat
_
attribs
)),
('
cat
_
encoder
',
CategoricalEncoder
(
encoding
=
"
onehot
-
dense
")),
])
하지만 어떻게 이 두 파이프라인을 하나의 파이프라인으로 합칠 수 있을까요? 정답은 사이킷
런의
FeatureUnion
입니다. 변환기 목록 (또는 모두 변환기로 이뤄진 파이프라인 )을 전달하
고
transform
( )
메서드를 호출하면 각 변환기의
transform
( )
메서드를 병렬로 실행합니다.
그런 다음 각 변환기의 결과를 합쳐 반환합니다 (물론
fit
( )
메서드를 호출하면 각 변환기의
fit
( )
메서드를 실행합니다). 숫자형과 범주형 특성을 모두 다루는 전체 파이프라인은 다음
과 같습니다.
from sklearn
.
pipeline import FeatureUnion
full
_
pipeline
=
FeatureUnion
(
transformer
_
list
=
[
("
num
_
pipeline
",
num
_
pipeline
),
("
cat
_
pipeline
",
cat
_
pipeline
),
])
전체 파이프라인을 간단하게 실행할 수 있습니다.
>>>
housing
_
prepared
=
full
_
pipeline
.
fit
_
transform ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.