stats_dens_f
Probability density function of the F distribution
説明
float stats_dens_f(float $x, float $dfr1, float $dfr2)
パラメータ
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x
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The value at which the probability density is calculated
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dfr1
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The degree of freedom of the distribution
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dfr2
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The degree of freedom of the distribution
戻り値
The probability density at x or false for failure.