May 2018
Intermediate to advanced
228 pages
4h 11m
Japanese
Overview
「Rの神様」ハドリー・ウィッカムに「Rのデータ分析を変えた」と言わしめた革新的なパッケージ、tidytextの開発者たちによる、データ分析と可視化の基礎を学ぶことができるテキストマイニングの入門書です。取得した生データを、「整理データ原則」に基づいてtidytextで扱いやすい形に変換すると、簡単に既存のツールと組み合わせることができ、効果的にデータ分析や可視化を行うことができます。本書はその原則に基づき、tidytext、dplyr、ggraph、widyrパッケージ等を使って、ジェーン・オースティンの小説や古典、Twitter、ニュースサイト、NASAのメタデータなどを分析していきます。
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