ml_e1_bhhh.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  21apr2003
program define ml_e1_bhhh
	version 8.0
	args calltype
	// no need to check memory requirements
	if (`calltype' == -1) exit

	tempname tr	
	if `calltype' == 0 | `calltype' == 1 {
		$ML_user `calltype' $ML_b $ML_f $ML_g `tr' $ML_sclst
		exit
	}
	$ML_user 1 $ML_b $ML_f $ML_g `tr' $ML_sclst

					/* Estimate Hessian as outer
					 * product of gradients_t */
	mat $ML_V = I($ML_k)
	_cpmatnm $ML_b, square($ML_V)
	qui _robust $ML_sclst [iw=$ML_w] if $ML_samp, variance($ML_V) minus(0)
end
exit