m3,var4是已知变量,id=1,2,3,4
如何把下面四个循环命令编写成一个更简捷的命令
egen id1=group(m3) if id==1
egen mom1=cut(id1),group(10)
foreach i of var var4{
bys mom1:egen mean1=mean(`i')
}
duplicates drop mean1 if id==1,force
*
egen id2=group(m3) if id==2
egen mom2=cut(id2),group(10)
foreach i of var var4{
bys mom2:egen mean2=mean(`i')
}
duplicates drop mean2 if id==2,force
*
egen id3=group(m3) if id==3
egen mom3=cut(id3),group(10)
foreach i of var var4{
bys mom3:egen mean3=mean(`i')
}
duplicates drop mean3 if id==3,force
*
egen id4=group(m3) if id==4
egen mom4=cut(id4),group(10)
foreach i of var var4{
bys mom4:egen mean4=mean(`i')
}
duplicates drop mean4 if id==4,force
麻烦大家了!