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stats_dens_f

(PECL stats >= 1.0.0)

stats_dens_fProbability density function of the F distribution

Beschreibung

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

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

R├╝ckgabewerte

The probability density at x or FALSE for failure.

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