(PECL stats >= 1.0.0) Not documented array
(PECL stats >= 1.0.0) Computes the covariance of two data sets
(PECL stats >= 1.0.0) Generates uniform float between low (exclusive) and high (exclusive)
(PECL stats >= 1.0.0) Not documented float
(PECL stats >= 1.0.0) Generates random integer between 1 and 2147483562
(PECL stats >= 1.0.0) Calculates any one parameter of the T distribution given values for the others.
(PECL stats >= 1.0.0) Generates a single random deviate from a normal distribution with mean, av, and standard
(PECL stats >= 1.0.0) Generates beta random deviate
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