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# stats_cdf_noncentral_f

(PECL stats >= 1.0.0)

stats_cdf_noncentral_fCalculates any one parameter of the non-central F distribution given values for the others

### Descrierea

float stats_cdf_noncentral_f ( float `\$par1` , float `\$par2` , float `\$par3` , float `\$par4` , int `\$which` )

Returns the cumulative distribution function, its inverse, or one of its parameters, of the non-central F distribution. The kind of the return value and parameters (`par1`, `par2`, `par3`, and `par4`) are determined by `which`.

The following table lists the return value and parameters by `which`. CDF, x, nu1, nu2, and lambda denotes cumurative distribution function, the value of the random variable, the degree of freedoms and the non-centrality parameter of the distribution, respectively.

Return value and parameters
`which` Return value `par1` `par2` `par3` `par4`
1 CDF x nu1 nu2 lambda
2 x CDF nu1 nu2 lambda
3 nu1 x CDF nu2 lambda
4 nu2 x CDF nu1 lambda
5 lambda x CDF nu1 nu2

### Parametri

`par1`

The first parameter

`par2`

The second parameter

`par3`

The third parameter

`par4`

The fourth parameter

`which`

The flag to determine what to be calculated

### Valorile întoarse

Returns CDF, x, nu1, nu2, or lambda, determined by `which`.