Hi Tiago,
I'm fairly sure you cannot store a non-numeric value in a matrix (as opposed
to a list in R that accepts strings). However, you could store your file
names as row names in the matrix. Inside your loop, add:
local rownames1 = "`rownames1' `u'_replication_number_`i'.dta"
Then outside your loop, add:
matrix rownames M = `rownames1'
Note that a space precedes the first rowname. I'm not sure if that matters,
but you could use the following the first time through your loop.
local rownames1 = "`u'_replication_number_`i'.dta"
Best,
Brent Fulton
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Sunday, September 02, 2007 3:19 PM
To: [email protected]
Subject: st: Matrix command - vecdiag?
Dear Statalisters,
I have the following do file (and a lot of .dta files):
clear
set obs 100
tempname M
forvalues i = 1/100 {
forvalues u = 1(0.1)1.6 {
use "C:\TEST\RR=`u'_replication_number_`i'.dta"
set more off
quietly summarize A
matrix `M' = nullmat(`M') \ ( r(mean), r(N))
clear
}
}
svmat double `M' , name(results)
-svmat- saves results as:
results1 results2
1.2 56
1.3 85
Nonetheless, I would like to add to the matrix a third collumm, which will
have the name of the .dta file. For example,
results1 results2 results3
1.2 56 RR=1.2_replication_number_1.dta
1.3 85 RR=1.2_replication_number_2.dta
.
.
.
Is this difficult to do without changing much my simple do file? I have
tried the vecdiag option, unsuccessfully, however.
I will be very grateful for any help again.
Best,
Tiago
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