clear
input id q23 q24 q25 q29 q30 q31
1 3 1 . 1 4 .
2 4 2 3 5 3 2
3 2 . . 2 . .
4 3 . . 3 . .
5 1 3 2 4 6 1
end
matrix results = J(4,3,.)
qui forval i = 1/3 {
count if q23==`i' & (q29==1 | q29==2)
local a = r(N)
count if q24==`i' & (q30==1 | q30==2)
local a = `a' + r(N)
count if q25==`i' & (q31==1 | q31==2)
matrix results[1,`i'] = `a' + r(N)
count if q23==`i' & q29==3
local b = r(N)
count if q24==`i' & q30==3
local b = `b' + r(N)
count if q25==`i' & q31==3
matrix results[2,`i'] = `b' + r(N)
count if q23==`i' & q29==4
local c = r(N)
count if q24==`i' & q30==4
local c = `c' + r(N)
count if q25==`i' & q31==4
matrix results[3,`i'] = `c' + r(N)
count if q23==`i' & q29==5
local d = r(N)
count if q24==`i' & q30==5
local d = `d' + r(N)
count if q25==`i' & q31==5
matrix results[4,`i'] = `d' + r(N)
}
matrix colnames results = NP FP G
matrix rownames results = <25% 25-49% 50-74% >74%
matrix li results, noheader
Nick
[email protected]
hmjc66
> I posted my question yesterday, but realized there were some errors as
> Nick rightly pointed out. Here is another attempt at what I am trying
> to do.
>
> Assume my data is as follows:-
>
> id q23 q24 q25 q29 q30 q31
> 1 3 1 1 4
> 2 4 2 3 5 3 2
> 3 2 2
> 4 3 3
> 5 1 3 2 4 6 1
>
> q23-q25 and q29-q31 are categorical variables.
> q23-q25 each has 4 categories 1, 2, 3 & 4. I want to ignore
> category 4.
> q29-q31 each has 6 categories 1, 2, 3, 4, 5 & 6. I want to
> ignore category 6.
>
> I am interested in a cross tabulation.
>
> Here's what I need:-
>
> count if q23==1 & (q29==1 | q29==2);
> count if q24==1 & (q30==1 | q30==2);
> count if q25==1 & (q31==1 | q31==2);
>
> /* I then need to sum these */; Lets call the total "a"
>
> count if q23==1 & q29==3;
> count if q24==1 & q30==3;
> count if q25==1 & q31==3;
>
>
> /* I then need to sum these */; Lets call the total "b"
>
>
> count if q23==1 & q29==4;
> count if q24==1 & q30==4;
> count if q25==1 & q31==4;
>
> /* I then need to sum these */; Lets call the total "c"
>
> count if q23==1 & q29==5;
> count if q24==1 & q30==5;
> count if q25==1 & q31==5;
>
> /* I then need to sum these */; Lets call the total "d"
>
>
> THEN GO THROUGH THE SAME PROCEDURE using q23=2, q24=2 & q25=2. Assume
> the four values generated are e, f, g and h
>
> FINALLY DO THE SAME using q23=3, q24=3 & q25=3. Assume the four values
> generated are i, j, k and l
>
>
> I finally need the results in a table such as
>
> NP FP G
> < 24% a e i
> 25-49% b f j
> 50-74% c g k
> >75% d h l
>
> I am using STATA 9.
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
