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ExcelBayes#3
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cougar
August 01, 2017
Science
410
1
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ExcelBayes#3
「Excelでスッキリわかるベイズ統計入門」第5章の発表資料です。
cougar
August 01, 2017
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Transcript
• – • – – – • – • –
• – • – •
章立て 発表者 概要 前半:5章 cougar おさらい・自然な共役分布 LT ougai_quantum AICを導出しよう LT
カレーちゃん 正規分布とベーター分布の可視化(予定) 懇親会(任意) アイス・ドリンク・ツマミ 発表資料はSlack上で公開します。 https://data-refinement-invite.herokuapp.com/ ※ conpassのStatistcグループのページに登録URLがあります。 ぜひご登録ください。火曜チャネルは#tue_notify,#tue_topic
• – – • – • – • – –
– • – – – –
• – – • • – • 統計モデルと、それを定めるパラメータの値が分かれば、データの性質がわかる
– – – • – • • –
• – •
• – – – • – – –
• – • – – • – –
– • – – • – – – –
π ∝ () • – • – • •
• – • • • • •
– • (|) = 3 • =
2−1(1 − )2−1= 1 − ∝ (1 − ) • | ∝ 3 ∗ 1 − ∝ 4 1 − → 5−1 1 − 2−1
– 2 = 12 • (|) =
1 2 − (100−)2 2 1 2 − (102−)2 2 1 2 − (104−)2 2 ∝ − (−102)2 2∗ 1 3 • = 1 2 ∗ 3 − (−100)2 2∗3 • π ∝ − (−102)2 2∗ 1 3 1 2 ∗ 3 − (−100)2 2∗3 ∝ − 1 2∗0.3 (−101.8)2 1 3 0 0 2 → 1 1 2 2 1 = 2 + 0 0 2 2 1 2 = 1 2 + 1 0 2