Hi, I am trying to convert the numerical column to string (monthyear_var=put(monthyear, 8.)), but find the first record is alway blank and the rest of the records just pushed down for one row and it is not aligned correctly with the original column. Below is what I got. Actually, even I simply copy the column by using the code: monthyear_var=monthyear; there is still a blank cell. Why does this happen? Thanks! monthyear_var monthyear . 20150601 20150601 20150601 20150601 20150801 20150801 20150901 20150901 20150401 20150401 20150501 20150501 20150801 20150801 20150901 20150901 20150601 20150601 20151201 20151201 20150601 20150601 20150901 20150901 20150401 20150401 20150401 20150401 20150601 20150601 20150701 20150701 20150901 20150901 20151201 20151201 20150201 20150201 20150301 20150301 20150601 20150601 20150601 20150601 20150701 20150701 20151101
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