Scott Merryman replied:
> Ok, how about something like this:
>
> *Create data set: 7 variables with values {1, 2, 3}
> clear
> set obs 30
> qui {
> forv i = 1/7 {
> gen c`i' = 1
> replace c`i' = 2 if uniform() <.4
> replace c`i' = 3 if uniform() <.3
> }
> }
>
> *Create frequency values
> qui {
> forv i = 1/7 {
> tempfile file`i'
> xcontract c`i', freq(freq) idnum(`i') saving(`file`i'')
> }
> }
>
> dsconcat `file1' `file2' `file3' `file4' `file5' `file6' `file7'
> drop c*
> egen id2 = fill(1 2 3 1 2 3)
>
> forv i = 1/7 {
> local relabel `relabel' `i' C`i'
> }
>
> graph bar freq, over(id2) over(idnum, relabel( `relabel'))
> ytitle(Frequency)
Unfortunately, the code broke for me (and I have Roger Newson's -xcontract-):
. clear
. set obs 30
obs was 0, now 30
. qui {
.
. *Create frequency values
. qui {
option idnum() not allowed
r(198);
end of do-file
r(198);
Looking at -whelp xcontract-, there doesn't appear to be an -idnum()- option.
CLIVE NICHOLAS |t: 0(044)7903 397793
Politics |e: [email protected]
Newcastle University |http://www.ncl.ac.uk/geps
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