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st: r(198) error with a foreach loop - problem with '`'

From   Jamie Fagg <>
Subject   st: r(198) error with a foreach loop - problem with '`'
Date   Thu, 29 Apr 2010 12:18:08 +0100

Dear Statalist,

Firstly, thanks to Nick Cox and Austin Nichols for their reply to my
recent question about -esttab-. Both answers provide helpful clues to
where I should be going with the problem, but both also raised some
extra questions which I haven't had a chance to work through yet.

On a separate note, Stata is suddenly telling me that ` is not valid
in my foreach loops and I cannot work out where to look to identify
the problem. Code illustrating the issue is below.



//show that file exists
. use Work\Datasets\Source\dyouth,clear

. des, short

Contains data from Work\Datasets\Source\dyouth.dta
 obs:           773
vars:           101
size:        98,171 (99.9% of memory free)
Sorted by:

//show error with foreach loop
. foreach w in d {
 2.         use Work\Datasets\Source\`w'youth,clear
 3. }
invalid '`'

end of do-file




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