local vars Fa Qi RD Gw
foreach v of local vars{
bysort stkcd: replace `v'[_n]=`v'[_n-1]
}
出现以下错误
. local vars Fa Qi RD Gw
. foreach v of local vars{
2. bysort stkcd: replace `v'[_n]=`v'[_n-1]
3. }
weights not allowed
r(101);
要怎么修改
谢谢