f_chi2.ihlp

来自「是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到」· IHLP 代码 · 共 8 行

{* 30nov2004}{...}
{phang}
{cmd:chi2(}{it:n}{cmd:,}{it:x}{cmd:)} returns the cumulative
	chi-squared distribution with {it:n} degrees of freedom for
	{it:n} > 0; {cmd:chi2(}{it:n}{cmd:,}{it:x}{cmd:)} =
	{cmd:gammap(}{it:n}/2{cmd:,}{it:x}/2{cmd:)}.
	Returns 0 unless {it:x}>0.{p_end}