screeplot_help.ado

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

*! version 1.0.0  03jan2005
* used as "click to run" examples in screeplot.hlp
program screeplot_help
	version 9
	args cmd

	quietly { 
		preserve
		sysuse auto
		tempname est
		capture _estimates hold `est', restore 

		pca mpg-gear
	}

	`cmd' 
end