Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[no subject]
Like Steve, I am not clear what is meant, but other possibilities include
. egen group = group(A B C) [to create a composite variable]
. groups A B C [to list combinations of categories that
occur; -groups- is from SSC]
See also
SJ-3-4 pr0011 . . . . . . . . Speaking Stata: Problems with tables, Part
II
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J.
Cox
Q4/03 SJ 3(4):420--439 (no
commands)
reviews three user-written commands (tabcount, makematrix,
and groups) as different approaches to tabulation problems
SJ-7-4 dm0034 . . . Stata tip 52: Generating composite categorical
variables
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J.
Cox
Q4/07 SJ 7(4):582--583 (no
commands)
tip on how to generate categorical variables using
tostring and egen, group()
Nick
[email protected]
Steve Samuels
Not sure what you mean, but maybe -tablist- ?
net describe tablist, from(http://www.ats.ucla.edu/stat/stata/ado/analysis)
Ben
> I have some factors that are not mutually exclusive and i want to bin my
> data among the various permutations of the factors.
>
> For example say there are two factors A and B. There are 4 possibilities:
> none, A, B and AB. For 3 factors A B & C there are 8 possible outcomes:
> none, A, B, C, AB, AC, BC, and ABC. As the number of factors grows the
> number of permutations doubles, e.g., 5 factors have 64 permutations.
>
> Is there any clever .do file to bin cases between multiple factors? Or
> alternatively any advice on a loop file that both bins the cases, and uses
> the factor name to create labels. I have 5 factors I am interested in
> binning between.
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/