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Re: st: RE: extract rownames corresponding to data as unique codes


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: RE: extract rownames corresponding to data as unique codes
Date   Tue, 2 Aug 2011 08:01:02 +0100

You don't show the exact code you used to provoke such an error message.

Nick

On 2 Aug 2011, at 02:12, Judy You <[email protected]> wrote:

Dear Nick,

i have tried your command, it gives me error message.

matrices:
                r(se) :  1 x 95
                r(ub) :  1 x 95
                r(lb) :  1 x 95
               r(adj) :  1 x 95
             r(crude) :  1 x 95
              r(Nobs) :  1 x 95
number of observations will be reset to 95
Press any key to continue, or Break to abort
obs was 0, now 95
(95 missing values generated)
type mismatch
r(109);

end of do-file

r(109);

What i like to have SLAs (area codes) maintain the original source
(numeric format),eg., sla=201, 203 205 --- 4809, 5000 5050 etc..
instead of 1 to 95.

Cheers

Judy



2011/7/13 Judy You <[email protected]>

Thanks Nick for your promptous response. SLA is an area code. Since i
am away and have no stata program in my hand, i ccouldn't try to run
it now, but i trust it will work fine.

Cheers

Judy


2011/7/11 Nick Cox <[email protected]>:
I don't know what SLAs are.

In your case, the row names, originally column names, are apparently all numbers, so you should be able to loop over the names and store them in a variable (_not_ column) something like this:

qui dstdize freq pop sex agegp, by(sla) using (t0)

drop _all
return list
matrix C = r(crude)', r(adj)', r(lb)' , r(ub)'
svmat C, names(col)

gen rowname = .
qui forval i = 1/95 {
       replace rowname = r(c`i') in `i'
}

Nick
[email protected]

Judy You

I am running a "dstdize" age-standardised rate syntax and got a result with Crude and age-adjusted rate, together with lower and upper limit.

The age adjusted rate is reported by SLA level (which there are 95
rows or records). I have save the matrix in a file but the result
doesn't come along with SLA code. I could force it to do by merge the
predefined file with sla code to the one saved in the matrix. I
believer there should be the smart way to do.

Here is my log file. Thanks for your help in advance!

----------

. qui dstdize freq pop sex agegp, by(sla) using (t0)

. drop _all

. return list

scalars:
                 r(k) =  95

macros:
                r(by) : "sla"
               r(c95) : "`"5050"'"
               r(c94) : "`"5000"'"
               r(c93) : "`"4809"'"
------
                r(c3) : "`"205"'"
                r(c2) : "`"203"'"
                r(c1) : "`"201"'"

matrices:
                r(se) :  1 x 95
                r(ub) :  1 x 95
                r(lb) :  1 x 95
               r(adj) :  1 x 95
             r(crude) :  1 x 95
              r(Nobs) :  1 x 95

. matrix C = r(crude)', r(adj)', r(lb)' , r(ub)'

. svmat C, names(col)
number of observations will be reset to 95 Press any key to continue,
or Break to abort obs was 0, now 95

. save t1,replace
file t1.dta saved

Crude   Adjusted        Left    Right
.0144418        .0213993        .0160632        .0267354
.0242798        .0409689        .030746 .0511917
.0123417        .0186174        .0149574        .0222773
.0097357        .0142612        .0108197        .0177028
.0260393        .051086 .0389991        .0631729

-----


The saved file looks like that, but what I like is to have a column
named as SLA, corresponding to the SLA codes in the original data.
Could any expert give me some hint?


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