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| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
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data_analysis:probability_distributions [2023/02/25 16:47] prgram [Negative Binomial] |
data_analysis:probability_distributions [2023/02/25 18:23] prgram [Geometric] |
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| === how? === | === how? === | ||
| + | ** 성공횟수에 초점** | ||
| m번실험 시도에 n번 성공 -> m-1번째까지 n-1번 성공 & m번째 성공 | m번실험 시도에 n번 성공 -> m-1번째까지 n-1번 성공 & m번째 성공 | ||
| $$P(Y=n) = {m-1 \choose n-1} p^{n-1} (1-p)^{m-n} p $$ | $$P(Y=n) = {m-1 \choose n-1} p^{n-1} (1-p)^{m-n} p $$ | ||
| Line 47: | Line 48: | ||
| $$P(X = x) = p(1-p)^{x-1}$$ | $$P(X = x) = p(1-p)^{x-1}$$ | ||
| + | |||
| + | ==== Poisson ==== | ||
| ===== Continuous ===== | ===== Continuous ===== | ||
