如何从日期中删除日期

Question

我的Stata数据集看起来像在此处输入图像描述

我想从这个变量中删除日期，因为Stata无法将其格式化为日期用于我的时间序列。

Answer 1

. clear
. set obs 1
number of observations (_N) was 0, now 1
. gen problem = "Tuesday. February 1, 2000"
. gen solution = subinstr(problem, word(problem, 1), "", .)
. l
+-----------------------------------------------+
|                   problem            solution |
|-----------------------------------------------|
1. | Tuesday. February 1, 2000    February 1, 2000 |
+-----------------------------------------------+
. gen wanted = daily(solution, "MDY")
. format wanted %td
. l
+-----------------------------------------------------------+
|                   problem            solution      wanted |
|-----------------------------------------------------------|
1. | Tuesday. February 1, 2000    February 1, 2000   01feb2000 |
+-----------------------------------------------------------+