August 2015
Intermediate to advanced
312 pages
7h 28m
Japanese
Content preview from 初めてのSpark
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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.
247
11.7 まとめ
.setEstimatorParamMaps(paramMaps)
.setEvaluator(eval)
val bestModel = cv.fit(documents)
パイプライン
API
の多くは、本書の執筆時点ではまだ
exprimental
ですが、
MLlib
の最新のド
キュメンテーションを参照してみてください（
http://spark.apache.org/docs/latest/mllib-guide.
html
）。
11.7
め
本章では、
Spark
の機械学習ライブラリの概要を紹介しました。見てきた通り、このライブラリ
は
Spark
の他の
API
の多くと直接結びついており、
RDD
に対して処理を行い、返された結果を他
の
Spark
の関数で使うことができます。
MLlib
は、
Spark
の中でも最も活発に開発が行われてい
る部分なので、進化が続いています。
MLlib
で使える最新の機能を確認するため、使用する
Spark
のバージョン用の公式ドキュメント（
http://spark.apache.org/documentation.html
）を調べるこ
とをお勧めします。
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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.