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stats_dens_f

(PECL stats >= 1.0.0)

stats_dens_fProbability density function of the F distribution

Açıklama

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.

Değiştirgeler

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

Dönen Değerler

The probability density at x or FALSE for failure.

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