KeywordProbability Density Function,PDF,Cumulative Distribution Function,CDF,Chi-square distribution,Gamma function,Upper incomplete gamma function,Lower incomplete gamma function,Error function. |
Reference・『統計分布ハンドブック』(蓑谷千凰彦). |
Remarks・pdf=(1/2)^(k/2)/Γ(k/2)*x^(k/2-1)*e^(-x/2). |
History・2009/06/29:Upload. |