August 2015
Intermediate to advanced
312 pages
7h 28m
Japanese
Content preview from 初めてのSpark
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253
A.4 バージョン 1.3.0 の主な変更内容
A.4.2
DataFrame API
•
［機能改善］
1.3.0
で新たに追加。
DataFrame
に関する詳細は、「
B.2.2 DataFrame
API
」を参照。
A.4.3
Spark SQL
• alpha
版を卒業
•
データソース
API
でテーブルの書き出し対応
A.4.4
Spark ML/MLlib
•
複数のアルゴリズムの追加
• SPARK-1405:
［機能改善］トピック分析のための
LDA
（
Latent Dirichlet Allocation
）
• SPARK-2309:
［機能改善］多クラス分類に対応したロジスティック回帰
• SPARK-5012:
［機能改善］ガウス混合モデル（
Gaussian mixture model
、
GMM
）
• SPARK-4259:
［機能改善］
power iteration
クラスタリング
• SPARK-4001:
［機能改善］
FP-growth
• SPARK-4409:
［機能改善］大規模な行列計算のためのブロック行列
• SPARK-4587:
［機能改善］一部のアルゴリズムについてモデルのインポート／エクスポー
ト機能の追加
• SPARK-3424:
［機能改善］
k-means
と
ALS
の性能改善
•
［機能改善］
PySpark
のパイプライン
API
対応
•
［機能改善］
PySpark
の
Gradient boosted trees
およびガウス混合モデル対応
•
［機能改善］パイプライン
API
の
DataFrame ...
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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.