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Rで野球のデータ解析がしたい (データが欲しい)

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How to obtain MLB data.
By using some R packages, well-featured baseball data can be downloaded.
Some examples of baseball data analysis are shown in this presentation.

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Rで野球のデータ解析がしたい (データが欲しい)

  1. 1. Rで野球データ解析がしたい @gg_hatano
  2. 2. 自己紹介 • はたむ@就活終わった • TwitterID: gg_hatano • とにかく野球のデータが欲しい

  3. 3. 投球のデータが欲しい 3
  4. 4. 4
  5. 5. Pitch f/xとは • MLB 全投球の軌道追跡システム • 初期位置, 初速, 回転, etc… • すぐにデータが欲しい → library(pitchRx)
  6. 6. pitchRxで野球データ解析 ! • ダルビッシュの投球軌道を3D描画 http://www7275uo.sakura.ne.jp/webGL/
  7. 7. pitchRxで野球データ解析 • 初球の重要性を調査 http://gg-hogehoge.hatenablog.com/entry/2014/01/27/224946 • 投球テンポと援護率の関係 http://gg-hogehoge.hatenablog.com/entry/2014/01/17/230927 • スピンの効いた球を調査 http://gg-hogehoge.hatenablog.com/entry/2014/03/07/035245 !
  8. 8. 打者のデータが欲しい
  9. 9. retrosheetで野球データ解析 • 全ての試合結果データ(1921~) http://www.retrosheet.org/game.htm
  10. 10. シーズン成績データが欲しい
  11. 11. Lahmanで野球データ解析 • シーズン成績まとめ: http://seanlahman.com • すぐにデータが欲しい → library(Lahman)
  12. 12. 0.01 0.02 0.03 1920 1950 1980 2010 year rate season−HR rate Lahmanで野球データ解析 • ホームラン率の推移 →ドーピング? ルール変更? https://gist.github.com/gghatano/10616962
  13. 13. まとめ
  14. 14. 投球 打席 シーズン データ pitch f/x retrosheet Lahman パッケージ pitchRx なし Lahman
  15. 15. Future work • 野手用データ取得パッケージを作りたい • シェルスクリプトなら https://github.com/gghatano/analyze_mlbdata_with_R.git
  16. 16. Enjoy Baseball!
  17. 17. 参考文献 • Analyzing baseball data with R • Exploring Baseball Data with R • 300億円欲しい

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