enter11223 发表于 2011-6-20 00:40 replace edufather=0 if a7_1==00

glacierccer 发表于 2011-6-20 01:03 a7_1 可能不是数值变量，而是字符变量

enter11223 发表于 2011-6-20 00:40
gen edufather=.
replace edufather=0 if a7_1==00
replace edufather=1 if a7_1==01
replace edufather=2 if a7_1==02
replace edufather=3 if a7_1==03
replace edufather=4 if a7_1==04
replace edufather=5 if a7_1==05
replace edufather=6 if a7_1==06|a7_1==90
replace edufather=7 if a7_1==07
replace edufather=8 if a7_1==08
replace edufather=9 if a7_1==09|a7_1==92
replace edufather=10 if a7_1==10
replace edufather=11 if a7_1==11
replace edufather=12 if a7_1==12|a7_1==91
replace edufather=13 if a7_1==13
replace edufather=14 if a7_1==14
replace edufather=15 if a7_1==15
replace edufather=16 if a7_1==16
replace edufather=20 if a7_1==17