php man page for stats_rand_gen_f

STATS_RAND_GEN_F(3)							 1						       STATS_RAND_GEN_F(3)

stats_rand_gen_f - Generates a random deviate

SYNOPSIS
       float stats_rand_gen_f (float  $dfn, float  $dfd)

DESCRIPTION
	Generates  a  random  deviate from the F (variance ratio) distribution with "dfn" degrees of freedom in the numerator and "dfd" degrees of
       freedom in the denominator. Method : directly generates ratio of chisquare variates.

PARAMETERS
	      o $dfn
		-

	      o $dfd
		-

RETURN VALUES
PHP Documentation Group 												       STATS_RAND_GEN_F(3)