looping with -tabi-

[Vishal Sharma]

hi ,

does anyone know how I can loop using the -tabi- command? I have 4 variables (v1 v2 v3 v4) and about a 100 lines of data and wish to execute -tabi x x x x,chi2- across the 4 variables but it is time consuming to do it one line at a time ( >100 lines)

here is what the data looks like and what I want

line	v1	v2	v3	v4
1	12	32	56	78
2
3
4
5

I would like to run -tabi 12 32 \ 56 78,chi2- for line 1 , and then do that in a loop for all lines.

I hope this ask is clear.

any feedback would be appreciated.

thanks
Vishal

[Mike Lacy]

forval i = 1/`=_N' {
   tabi `=v1[`i']' `=v2[`i']' \ `=v3[`i']' `v4[`i']', chi2
}

[Vishal Sharma]

thanks Mike, I thought it would look something like that!!

[Yunfan Lu]

forval i = 1/`=_N' {
tabi `=v1[`i']' `=v2[`i']' \ `=v3[`i']' `v4[`i']', chi2
}

I have the exact same problem but this code doesn't quite work for me. STATA expects an integer after tabi. Do you know how to solve this? Thanks so much!

[Nick Cox]

tabi expects integer frequencies or counts as input. You must have something else.

[Yunfan Lu]

tabi expects integer frequencies or counts as input. You must have something else.

So like what Mike wrote above, I tried to use index as well (e.g. tabi v1[1] v2[1] \ v3[1] v4[1]) but the command didn't work. My variables are also lists of integers. Do you know why it didn't work?
tabi `=v1[`i']' `=v2[`i']' \ `=v3[`i']' `v4[`i']' Thanks so much! I really appreciate your help.

[Nick Cox]

The first command doesn''t work because tabi expects integers, not expressions with integer values.


The second command doesn''t work because your last expression for v4 is of incorrect form. The net result is illegal for tabi.