mean_and_variance_of_poisson_distribution
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| mean_and_variance_of_poisson_distribution [2020/11/21 02:21] – [Variance] hkimscil | mean_and_variance_of_poisson_distribution [2024/10/28 07:51] (current) – hkimscil | ||
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| + | ====== Mean and Variance of Poisson Distribution ====== | ||
| ====== Mean ====== | ====== Mean ====== | ||
| Mean Poisson distribution = $\lambda$ | Mean Poisson distribution = $\lambda$ | ||
| Line 11: | Line 12: | ||
| \end{eqnarray*} | \end{eqnarray*} | ||
| - | 우선 Taylor series을 이용하면 | + | 우선 |
| \begin{eqnarray*} | \begin{eqnarray*} | ||
| e^{a} = \sum_{y=0}^{\infty} \frac{a^y}{y!} \\ | e^{a} = \sum_{y=0}^{\infty} \frac{a^y}{y!} \\ | ||
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