st: modifying a macro containing variable names

[Jeremy Reynolds <jeremyr@uga.edu>]

In the code below, I attempt to take a global macro containing variable 
names and use a loop to remove each variable one at a time and perform 
some calculations with the remaining variables.  Something goes wrong, 
however, with the list.  As indicated below, the modified list looks 
correct in the display command, but I do not get the expected word 
count, and I am unable to run any estimation commands on the modified 
list.  I've searched the archives for related issues and tried every 
combination of quotation marks and spaces that I can think of, but still 
no luck . . .

Perhaps the error messages from the last two lines hold the clues, but I 
can't decipher them.  Any help you can offer would be appreciated.

Thanks,

Jeremy

P.S.  If it matters, my goal is to calculate predicted values after 
xtreg, fe, allowing each variable to go from low to high while holding 
the others at their means.

est restore mm_men3
global ivlist "occ_1 occ_2 occ_3"
foreach var of varlist $ivlist{
   local list1 regexr("$ivlist", "`var'", "")
   local list2 : list retokenize list1
   di `list2'                                            /*list2 looks: 
okay:  occ_2 occ_3*/
   local numvars : word count (`list2')  
   di `numvars'                                    /*a double-check 
shows that the word count is not 2 as expected, but 7*/
   *adjust `list2', xb by(`var')             /*if this line is run, the 
error message is: time-series operators not allowed */
   *sum `list2'                                   /*if this line is 
run, the error message is: "occ_1 occ_2 occ_3 invalid name*/
}

 

--
********************
Dr. Jeremy Reynolds
Associate Professor
Undergraduate Coordinator
Department of Sociology
117 Baldwin Hall
University of Georgia
Athens, GA 30602-1611
Phone: (706) 583-8072
Web: http://uga.edu/soc/people/faculty/reynolds_jeremy.php
Fax: (706) 542-4320

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