楼主您好,我最近在研究GMM,希望大神帮我看看程序错在哪里?我是GAUSS初学者,改了一段时间,实在改不好,是Hansen(2004)中的动态面板在这里报错,我觉得是函数定义的问题,请教各位?
if _graph==1;
graphset;
_pdate = "";
fonts("complex simgrma");
title("Confidence Interval Construction for Threshold");
ylabel("Likelihood Ratio Sequence in \202g\201");
tit = "Threshold Variable";
xlabel(tit);
_pxsci = 8;
_pysci = 8;
clr = ones(qn,1)*c1;
_plegstr="" $+ "LR]n[(\202g\201)\000" $+ ftocv(_conf*100,2,0) $+ "% Critical";
if cols(y) .== 1;
clr=clr~(clr*eta1)~(clr*eta2);
_plegstr = _plegstr $+ "\000Hetero Corrected - 1\000Hetero Corrected - 2";
endif;
_plegctl = 1;
let _pltype = 6 4 3 1;
_plwidth =2;
xy(qs,lr~clr);
endif;
提示是: Undefined symbol '_pdate'
Undefined symbol '_pxsci'
Undefined symbol '_pysci'
我实在不知需要如何正确定义,请教诸位大神!
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