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@ -50,7 +50,7 @@ __all__ = [
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'weibull_max', 'genlogistic', 'genpareto', 'genexpon', 'genextreme',
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'weibull_max', 'genlogistic', 'genpareto', 'genexpon', 'genextreme',
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'gamma', 'gengamma', 'genhalflogistic', 'gompertz', 'gumbel_r',
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'gamma', 'gengamma', 'genhalflogistic', 'gompertz', 'gumbel_r',
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'gumbel_l', 'halfcauchy', 'halflogistic', 'halfnorm', 'hypsecant',
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'gumbel_l', 'halfcauchy', 'halflogistic', 'halfnorm', 'hypsecant',
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'gausshyper', 'invgamma', 'invnorm', 'invgauss', 'invweibull',
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'gausshyper', 'invgamma', 'invgauss', 'invweibull',
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'johnsonsb', 'johnsonsu', 'laplace', 'levy', 'levy_l',
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'johnsonsb', 'johnsonsu', 'laplace', 'levy', 'levy_l',
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'levy_stable', 'logistic', 'loggamma', 'loglaplace', 'lognorm',
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'levy_stable', 'logistic', 'loggamma', 'loglaplace', 'lognorm',
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'gilbrat', 'maxwell', 'mielke', 'nakagami', 'ncx2', 'ncf', 't',
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'gilbrat', 'maxwell', 'mielke', 'nakagami', 'ncx2', 'ncf', 't',
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@ -3901,7 +3901,7 @@ class genpareto_gen(rv_continuous):
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#%f = (1+k.*xn)**(-1./k-1)/s; % for k~=0
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#%f = (1+k.*xn)**(-1./k-1)/s; % for k~=0
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#%f = exp((-1./k-1)*log1p(kxn))/s % for k~=0
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#%f = exp((-1./k-1)*log1p(kxn))/s % for k~=0
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#%f = exp((-xn-kxn)*log1p(kxn)/(kxn))/s % for any k kxn~=inf
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#%f = exp((-xn-kxn)*log1p(kxn)/(kxn))/s % for any k kxn~=inf
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return exp(self._logpdf(x, c)
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return exp(self._logpdf(x, c))
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#Px = pow(1+c*x,arr(-1.0-1.0/c))
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#Px = pow(1+c*x,arr(-1.0-1.0/c))
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#return Px
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#return Px
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def _logpdf(self, x, c):
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def _logpdf(self, x, c):
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@ -5367,10 +5367,12 @@ class t_gen(rv_continuous):
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g1 = where(df > 3, 0.0, nan)
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g1 = where(df > 3, 0.0, nan)
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g2 = where(df > 4, 6.0/(df-4.0), nan)
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g2 = where(df > 4, 6.0/(df-4.0), nan)
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return 0, mu2, g1, g2
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return 0, mu2, g1, g2
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t = t_gen(name='t', shapes="df")
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## Non-central T distribution
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## Non-central T distribution
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class nct_gen(rv_continuous):
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class nct_gen(rv_continuous):
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"""A non-central Student's T continuous random variable.
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"""A non-central Student's T continuous random variable.
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