StudentTDistribution
Create a Student’s t-distribution from scale or variance.
Declaration
self = StudentTDistribution(nu=<value>,sigma=<value>)
Parameters
options.nupositive degrees of freedomoptions.sigmaoptional positive scale parameteroptions.varianceoptional positive total variance fornu > 2
Returns
selfStudentTDistribution instance
Discussion
Supply exactly one of sigma or variance together with the
degrees of freedom nu. The variance parameterization is
only valid for \(\nu > 2.\)