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我有一个格式如下的日期,我使用 R 将其从字符串转换为日期
date <- "20 Nov 2010 21:44:00:000" strptime(date,"%d %b %Y %H:%M:%S")
我想在Stata中做,但是怎么做?我在Stata中试过这个:
gen time_2 = date(time,"DMYhms#")
但是不行,这是为什么呢?谢谢。
该date函数转换以天、月和年表示的日期。对于包含小时和秒的时间戳,您需要该clock函数。新变量应该是双精度的
date
clock
gen double time_2 = clock(time,"DMYhms#")