f_invf.ihlp

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

{* 30nov2004}{...}
{phang}
{cmd:invF(}{it:n1}{cmd:,}{it:n2}{cmd:,}{it:p}{cmd:)} returns the
	inverse cumulative F distribution.  If
	{cmd:F(}{it:n1}{cmd:,}{it:n2}{cmd:,}f{cmd:)} = {it:p}, then
	{cmd:invF(}{it:n1}{cmd:,}{it:n2}{cmd:,}{it:p}{cmd:)} = f.{p_end}