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
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.
438
파이썬 라이브러리를 활용한 머신러닝(번역개정판)
유니그램 모델에서는 없던 단어인 “
worth
”가 들어간 흥미로운 특성이 있습니다. “
not
worth
”
는 부정적인 리뷰를 의미하지만 “
definitely
worth
”와 “
well
worth
”는 긍정적인 리뷰를 암시
합니다. 이는 문맥이 “
worth
” 단어의 의미에 영향을 주는 좋은 예입니다.
다음으로 왜 이런 특성들이 도움이 되었는지 알아보기 위해 트라이그램만 그래프로 나타내겠
습니다. 영향력이 큰 바이그램과 트라이그램의 대부분은 독립적일 땐 큰 의미가 없는 단어들
로 구성되어 있습니다. 예를 들어 “
none
of
the
”, “
the
only
good
”, “
on
and
on
”, “
this
is
one
”, “
of
the
most
” 등입니다. 그러나 [그림
7
-
5
]에서 보듯 이런 특성으로 인한 영향은 유니
그램의 중요도와 비교했을 때 상당히 제한적입니다.
In [42]:
# 트라이그램 특성을 찾습니다.
mask = np.array([len(feature.split(" ")) for feature in feature_names]) == 3
# 트라이그램 특성만 그래프로 나타냅니다.
mglearn.tools.visualize_coecients(coef.ravel()[mask],
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.