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st: putting files together

From   elin zetterlund <>
Subject   st: putting files together
Date   Wed, 28 Mar 2007 01:01:35 +0200 (CEST)

I have some problems putting files together in
I have 3 files containing different individuals, and
must of the varibles are the same but some differ. I
have tried the merge comand and the append comand, and
the same thing happends both times... All the
individuales are in the new dataset but 970 (about
half of them) have missing values in the other
varibles. Whats my misstake?

my code:
sort id

cd "C:\Documents and settings\..."

merge id using p777.dta

sort id

cd "C:\Documents and settings\..."

merge id using L777.dta

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