History.txt in distribution-0.5.0 vs History.txt in distribution-0.6.0

- old
+ new

@@ -1,5 +1,17 @@ +=== 0.6.0 / 2011-09-23 +* Incomplete Beta functions on math renamed to Regularized beta, because MathExtension::IncompleteBeta calculates regularized beta function, not Incomplete Beta. +* Corrected documention on F distribution and added comments on gamma and beta[Claudio Bustos] +* Moved ported methods from GSL to lib/math_extension. Updated spec for gamma and beta distributions[Claudio Bustos] +* Added beta distribution functions. p_value does not seem to work yet.[John Woods] +* Added most incomplete beta function GSL translations, also log_beta from GSL.[John Woods] +* Added header information to the incomplete gamma files translated from GSL[John Woods] +* Removed left-over invgammp function.[John Woods] +* Fixed lots of bugs, translated most GSL error tests into rspec.[John Woods] +* Added Gamma distribution, spec. No statistics2 functions for Gamma, so only implemented pure Ruby and GSL.[John Woods] +* Added console task to rakefile[John Woods] + === 0.5.0 / 2011-05-03 * Exception raises on calculation of T's cdf with ruby engine. For now, stick to gsl implementation * Added logistic distribution. * Raises an error on binomial if k>n. @@ -33,6 +45,6 @@ * Hypergeometric#pdf returns 0 on max(0,n+m-t)<=k<=min(m,n) * Improved factorial calculation, using Luschny algorithms === 0.1.0 / 2011-01-26 -* Basic set (pdf, cdf, p_value) for Normal, Chi Square, F and T distributions +* Basic set (pdf, cdf, p_value) for Normal, Chi Square, F and T distributions \ No newline at end of file