Re: st: tricky calculation with dozens of variables

["Michael Blasnik" <michael.blasnik@verizon.net>]

You have the quotes wrong in referencing i.  It should be `i', not 'i'.  You 
will also need to generate total=0 to start.

Michael Blasnik
michael.blasnik@verizon.net

----- Original Message ----- 
From: "Jia Xiangping" <jiajoseph@googlemail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Sunday, October 09, 2005 5:04 AM
Subject: Re: st: tricky calculation with dozens of variables



> Hi Svend,
>
> It still doesn't work. I programed in this way(variables name are
> different in my dataset, so I still use you example for convenience)
>
> //calculated total
> forvalues i=4(11)386{
> local j='i'+4
> replace total=total+var'i'*var'j'
> }
>
> Then Stata 8.2 informs me
> 'i' invalid name
> r(198)
>
> If I need to define i before run the ado above? Thanks
>
> Joe
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