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st: re: problems on the string functions


From   Christopher Baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: re: problems on the string functions
Date   Thu, 19 Nov 2009 11:01:10 -0500

<>
clear
input str6 x
abc123
ab45
cdef67
end
g v2 = substr(x,-3,3)
g v3 = subinstr(x, v2, "", 1)
l

handles your second question. As to the first question, it makes no sense to use word() on a variable that only contains one word. Words in Stata terms are defined as space-delimited objects, and 123, abc, 2da are not words.

Kit

Kit Baum   |   Boston College Economics and DIW Berlin   |   http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming   |   http://www.stata-press.com/books/isp.html
An Introduction to Modern Econometrics Using Stata   |   http://www.stata-press.com/books/imeus.html

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