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st: length(s) question
I am trying to determine the length of a string variable because this length
changes in each observation and I want to work with substr, so I need the
variable to be the same size accross observations. But I'm getting an error
message that I simply don't understand how to fix.
I write: generate long = length (vp40_11), vp40_11 is the string varible
whose length I want.
Error message reads: "too few variables specification","r(102)"
However, the help section says to write
"generate varname = exp" and exp in this case is length (s), where "s" is
the string variable.
So I can't really understand which variable is missing. Can anybody help me
Julia A. Gamas
Program on Urban, Regional and Global Air Pollution
Massachusetts Institute of Technology
77 Massachusetts Avenue 54-1823
Cambridge, MA 02139
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