stats_dens_f

(PECL stats >= 1.0.0)

stats_dens_fProbability density function of the F distribution

Beschreibung

stats_dens_f(float $x, float $dfr1, float $dfr2): float

Returns the probability density at x, where the random variable follows the F distribution of which the degree of freedoms are dfr1 and dfr2.

Parameter-Liste

x

The value at which the probability density is calculated

dfr1

The degree of freedom of the distribution

dfr2

The degree of freedom of the distribution

Rückgabewerte

The probability density at x or false for failure.

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