stats_dens_beta
(PECL stats >= 1.0.0)
stats_dens_beta — Probability density function of the beta distribution
説明
Returns the probability density at x, where the
random variable follows the beta distribution of which the shape parameters
are a and b.
パラメータ
x-
The value at which the probability density is calculated
a-
The shape parameter of the distribution
b-
The shape parameter of the distribution
戻り値
The probability density at x or false for failure.
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