You can use the -tab- open of -outreg2- to produce a table of 1-way,
2-way, 3-way, or n-way tabulation.
There is no hard limit on the number of variables that can be crossed.
A difficulty of producing cross-tabulation is the case of empty
cells. -outreg2- overcomes this difficulty by taking advantage of
-merge- command.
Yes, you can do a lot with -merge-.
If you want to produce something like a 8-way cross-tabulation, it may
take a while to run. I would suggest you try several variables and work
your way up.
* example of 4-way tabulation:
sysuse auto, clear
egen mileage=cut(mpg), group(10)
egen paid=cut(price), group(3)
outreg2 mileage paid foreign rep using myfile, see replace tab stats(coef)
outreg2 mileage paid foreign rep using myfile, see replace tab
The current limitation of -tab- option in -outreg2- is that the first
variable must be counting numbers, i.e. 0, 1, 2, etc., and the rest of
variables must be non-strings.
Strings could possibly be made to go through the label option, but that
seemed like a overkill.
The -tab- option is not currently documented.
Roy
> I want to create a large, multiway contingency table in Stata. I need
> to reduce the table for a latent class analysis in another program.
> However, with the table and tabulate commands in Stata I only have the
> opportunity to cross two variables. With the userwritten command
> tab3way, I can cross three variables. However, I need to cross around
> eight polytomous variables and get the output into a data file / text
> file.
>
> Can anyone help me with this one?
>
> All the best,
> Kristian
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