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st: R: need to sum several variables in a row

From   "Carlo Lazzaro" <>
To   <>
Subject   st: R: need to sum several variables in a row
Date   Tue, 17 Dec 2013 15:22:20 +0100

Raffaele may want something like this:
egen Y=rowtotal(var1 var 2...var100)
If all the variables to be summed up via -rowtotal- have the same prefix
(i.e., var), Raffaele can make it simpler with a wildcard (i.e., asterisk):
egen Y=rowtotal(var*)

Kind regards,

-----Messaggio originale-----
[] Per conto di Raffaele
Inviato: martedì 17 dicembre 2013 14:19
Oggetto: st: need to sum several variables in a row

Dear statalist, Im dealing with a problem that will be very easy for most of
you but somehow the program keeps sending me error messages!
I have to calculate a new variable that is the total amount of money from
several variables, all displaied in a row. Rather than using the g =
var1+var2 etc... which could be annoying considering the amount of variables
and the fact that I have to repeat this command several times I was trying
to look on internet for a solution. From this statalist I found users who
suggested to use the command rowtotal but apparently I can`t use it on stata
11, my version. Is it correct? It keeps saying "unknow function rowtotal ()"
Could you please indicate me the right command to use? many thanks
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