do while ini<=rows(indica0);
indica=indica0[1:ini,2:5];
y=relleno(indica,va);
capt=rows(y);
captst=capt-pphi;
yv=y[nk:capt,.];
index=(indica[nk:capt,1:cols(indica)].ne99999);
endo;
我运行了上面这个循环后,出现报错提示: Undefined symbols: relleno,请问版主及各位gauss高手,这个relleno到底是什么功能?