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(PECL stats >= 1.0.0)

stats_cdf_noncentral_tCalculates any one parameter of the non-central t-distribution give values for the others


    float $par1,
    float $par2,
    float $par3,
    int $which
): float

Returns the cumulative distribution function, its inverse, or one of its parameters, of the non-central t-distribution. The kind of the return value and parameters (par1, par2, and par3) are determined by which.

The following table lists the return value and parameters by which. CDF, x, nu, and mu denotes cumulative distribution function, the value of the random variable, the degrees of freedom and the non-centrality parameter of the distribution, respectively.

Return value and parameters
which Return value par1 par2 par3
1 CDF x nu mu
2 x CDF nu mu
3 nu x CDF mu
4 mu x CDF nu

Bağımsız Değişkenler


The first parameter


The second parameter


The third parameter


The flag to determine what to be calculated

Dönen Değerler

Returns CDF, x, nu, or mu, determined by which.

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