Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Library: distribs
See also: cdfncb2 cdfncchi2 cdff2 pdff2

Quantlet: cdfncf2
Description: Cdfncf2 returns the values of the noncentral F-distribution function with d1 and d2 degrees of freedom and the parameter of noncentrality l for the elements of an array.

Usage: y = cdfncf2(x, d1, d2{, l})
Input:
x input array
d1 a scalar or an array of the same dimension as x containing the number d1 of degrees of freedom for F-distribution
d2 a scalar or an array of the same dimension as x containing the number d2 of degrees of freedom for F-distribution
l a scalar or an array of the same dimension as x containing the value for the parameter of noncentrality for noncentral F-distribution; if not specified, l = 0 is used
Output:
y output array, it contains the values of the specified F-distribution function for the elements of array x

Note:

Example:
library("distribs")
a=#(0.5, 0.4)~#(0.01, 1)~#(-1,2)
cdfncf2(a, 3, 5, 2)

Result:
Contents of y
[1,]  0.15696  0.00057772        0
[2,]  0.11875  0.33774  0.59054



Author: P. Cizek, 20010621
(C) MD*TECH Method and Data Technologies, 05.02.2006