f_npnchi2.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:npnchi2(}{it:n}{cmd:,}{it:x}{cmd:,}{it:p}{cmd:)} returns the
	noncentrality parameter L for the noncentral cumulative chi-squared
	distribution.  If {cmd:nchi2(}{it:n}{cmd:,}L{cmd:,}{it:x}{cmd:)} =
	{it:p}, then {cmd:npnchi2(}{it:n}{cmd:,}{it:x}{cmd:,}{it:p}{cmd:)} = L.
	({it:n} must be an integer, 1{ul:<}{it:n}{ul:<}200; 0{ul:<}L{ul:<}1000.){p_end}