generate str name="zhangsang"


. generate int age=28


. set obs 1
obs was 0, now 1


. replace name = "zhangsang" in 1
name was str1 now str9
(1 real change made)


. replace age = 22 in 1
(1 real change made)


. set obs 2
obs was 1, now 2


. replace name = "lisi" in 2
(1 real change made)


. replace age = 26 in 2
(1 real change made)


. set obs 3
obs was 2, now 3


. replace name = "李军" in 3
(1 real change made)


. replace age = 31 in 3
(1 real change made)

. browse

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