October 2014
Intermediate to advanced
288 pages
6h 27m
Japanese
Content preview from 実践 機械学習システム
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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.
3.3
クラスタリング
63
>>>
print(len(train_data.filenames))
13180
>>>
test_data = sklearn.datasets.load_mlcomp("20news-18828", "test", mlcomp_
root=MLCOMP_DIR)
>>>
print(len(test_data.filenames))
5648
ここでは、問題を複雑にしないために、いつくかのニュースグループに限定して取り組むことにしま
す。そうすれば、実験のサイクルも短くなります。そのために、次に示すように
categories
パラ
メータを用います。
>>>
groups = ['comp.graphics', 'comp.os.ms-windows.misc', 'comp.sys.ibm.
pc.hardware', 'comp.sys.mac.hardware', 'comp.windows.x', 'sci.space']
>>>
train_data = sklearn.datasets.load_mlcomp("20news-18828", "train", mlcomp_
root=MLCOMP_DIR, categories=groups)
>>>
print(len(train_data.filenames))
3414
3.3.3
文書のクラスタリング
すでに気づいていることでしょうが、現実のデータにはノイズが含まれます。このニュースグループ
に関するデ
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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.