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15.5.599 student

student(t, nu [, /complement])

Returns the value of the statistical Student’s t function at ordinate t for nu degrees of freedom, or one minus the t function if /complement is specified.

If r is the sample cross-correlation coefficient of n value pairs drawn from a bivariate normal distribution, then its distribution function is equal to student(sqrt((n - 2)*r^2/(1 - r^2)), n - 2).

See also: crosscorr, igamma, ibeta