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Re: st: Replace string values


From   Johannes Geyer <JGeyer@diw.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Replace string values
Date   Wed, 12 Mar 2008 15:12:49 +0100

try to do this: 

bysort  table  quarter: replace  table = "" if quarter != 1

johannes

*****************

I am trying to produce a report using Stata's -list- command. The data 
looks like this

         table   quarter     n
     qtr_a.dta         1   128
     qtr_a.dta         2   129
     qtr_a.dta         3   128
     qtr_a.dta         4     4
     qtr_b.dta         1   130
     qtr_b.dta         2   129
     qtr_b.dta         3   130
     qtr_b.dta         4     5

However, to make it easier on the readers eye (I think), I would list it 
like this

         table   quarter     n
     qtr_a.dta         1   128
                       2   129
                       3   128
                       4     4
     qtr_b.dta         1   130
                       2   129
                       3   130
                       4     5

Any ideas how I can replace the non-first cases of each table with missing

So far, I was trying to go down this path

bysort  table  quarter: replace  table = "" if table ! =  table[1]
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