I am trying to use the Year function to make a year variable using a date variable.  Below is the excerpt of the code I'm using, along with the error message I am getting.    I have broken it up into different data steps as I've tried  a few different ways to get the Year function to work but haven't been able to get it to work.    Could someone please provide some guidance? Thanks!    CODE:   data retained; set period; where date >= '1Jan2010:0:0:0'dt; keep date; Data retained2; set retained; date1 = put(date,datetime7.); Data retained3; set retained2; year = year(date1);   ERROR Message: NOTE: Character values have been converted to numeric values at the places given by: (Line):(Column). 41:17 NOTE: Invalid numeric data, date1='01JAN15' , at line 41 column 17.   ... View more