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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: xi variable labels |

Date |
Tue, 15 Jul 2003 09:15:59 +0100 |

Dimitriy V. Masterov > I've been having a problem with the variable labels created > by the command > xi. For example, I have a variable called race that takes > on values 1-3. > When I type "xi i.race" the new variables _Irace_2 and _Irace_3 are > labeled "race==2" and "race==3". I would like them to be > labeled with the > value label from the original variable. For example, if the value > race==2 was labeled "White" I would like the variable _Irace_2 to be > labeled "White", and so on. This would make the graphs > that I have to > make a lot simpler. > > Is there a simple way of doing this somehow without doing > it by hand? I don't know the user-written alternatives -desmat- and -xi3- well enough to know if they offer solutions. An upstream fix would be better than the following downstream fix, but this does improve the problem some of the time. program def myrelabel *! NJC 1.0.0 15 July 2003 version 7 syntax varlist(numeric) tokenize `varlist' local nvars : word count `varlist' local last ``nvars'' local vallabel : value label `last' if "`vallabel'" == "" { di as err "`last' not labelled" exit 498 } local `nvars' local varlist "`*'" foreach v of local varlist { local varlabel : variable label `v' local eqs = index(`"`varlabel'"', "==") if `eqs' { local value = real(substr(`"`varlabel'"', `eqs' + 2, .)) if `value' < . { local label : label `vallabel' `value' label var `v' `"`label'"' } } } end Suppose, for example, you have a bunch of indicator variables _Ifoo* formed after some xi: <whatever> i.foo Then you go myrelabel _Ifoo* foo Think of this as "relabel the variable labels of _Ifoo* according to the value labels of foo" Given a bunch of bunches, you could try foreach v in foo bar bazz gould wiggins { myrelabel _I`v'* `v' } Note that this does ___not___ fix interaction terms. The extension is left as an exercise. Nick n.j.cox@durham.ac.uk * * 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/

**References**:**st: xi variable labels***From:*"Dimitriy V. Masterov" <dvmaster@lily.src.uchicago.edu>

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