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割合を見かけたらベータ分布を/using_beta_distribution_for_more...

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March 03, 2023
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 割合を見かけたらベータ分布を/using_beta_distribution_for_more_flexible_statistical_analysis

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florets1

March 03, 2023
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Transcript

  1. 1 2023.03.04 Tokyo.R #104 割合を見かけたらベータ分布を

  2. 2 コイン投げ 表が3回 裏が7回 表が出る割合は 3/10 Beta(3+1, 7+1)

  3. 3 コイン投げ 表が30回 裏が70回 表が出る割合は 3/10 Beta(30+1, 70+1)

  4. 4 Beta(3+1, 7+1) Beta(30+1, 70+1)

  5. 5 コイン投げ 表がm回 裏がn回 表が出る割合の分布は Beta(m+1, n+1)

  6. 6

  7. 7 R

  8. 8 Python

  9. 9 Excel

  10. 10 うれしいこと 割合よりも豊かな情報 素早い判断、慎重な判断 簡単 明日から使える、説明しやすい