stats_dens_normal

(PECL stats >= 1.0.0)

stats_dens_normal — Probability density function of the normal distribution

説明

function stats_dens_normal(float $x, float $ave, float $stdev): float

Returns the probability density at x, where the random variable follows the normal distribution of which the mean is ave and the standard deviation is stdev.

パラメータ

x: The value at which the probability density is calculated
ave: The mean of the distribution
stdev: The standard deviation of the distribution

戻り値

The probability density at x or false for failure.

関連キーワード:

density stats dens float Probability stdev probability mean standard deviation logistic binomial Statistic random variable follows calculated failure