Draw random variables student t distribution

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Imner Renmi
Imner Renmi 2016-6-16
回答： James Tursa 2016-6-16
I want to draw standardized values with a t-distribution, so I want to generate iid numbers from the student-t distribution with mean zero and variance 1.
I can use the Matlab function 'trnd(nu).' Does this generate random numbers with mean zero and variance 1?

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James Tursa
James Tursa 2016-6-16
See these links for a description:
http://www.mathworks.com/help/stats/trnd.html
http://www.mathworks.com/help/stats/students-t-distribution.html
In particular, no you can't get a variance of 1.

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