stats_dens_logistic
(PECL stats >= 1.0.0)
stats_dens_logistic — Probability density function of the logistic distribution
说明
Returns the probability density at x, where the
random variable follows the logistic distribution of which the location parameter
is ave and the scale parameter is stdev.
参数
-
x -
The value at which the probability density is calculated
-
ave -
The location parameter of the distribution
-
stdev -
The shape parameter of the distribution
返回值
The probability density at x or false for failure.
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