同样的代码sbmeff cap labor electric=gdp:SO2 wastewater dust,dmu(city) time(year) sav(efficiency,replace)
之前可以运行,现在完全运行不了,每次都显示红色的以下提示,请问大家这是怎么回事?要怎么解决?
error . . . . . . . . . . . . . . . . . . . . . . . . Return code 3202 rowvector required An argument is required to be 1 x c and it is not.