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T-Student question
- From: Asier <katximan at gmx dot net>
- To: gsl-discuss at sources dot redhat dot com
- Date: Tue, 29 Apr 2003 19:41:34 +0200
- Subject: T-Student question
I need to calculate one of the t-student parameters, but I don't know how to
do it with the gsl library.
If 't' is the tStudent probability, and t_X the probability with 'X' degrees
of freedom P(t_7 < 2.11) I can get it with the gsl_rand_tdist_pdf(x, nu)
function.
double d = gsl_rand_tdist_pdf(2.11, 7);
¿Ok? How can I calculate the t_(n-1;\alpha) probability
Given I know the above 'd' and 'nu' numbers, how can I calculate the 'x'
parameter of the function? I've seen tables with this data but I don't know
if there's a 'direct way' to calculate it with gsl.
PD: Excuse my poor english.
--
Asier