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From |
Vineet Bhagwat <vineet.bhagwat@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: using varlist wildcards in anova |

Date |
Sat, 3 Apr 2010 23:45:45 -0400 |

Thanks Phil! On Sat, Apr 3, 2010 at 10:46 PM, Phil Schumm <pschumm@uchicago.edu> wrote: > On Apr 3, 2010, at 6:25 PM, Phil Schumm wrote: >> >> On Apr 3, 2010, at 5:45 PM, Vineet Bhagwat wrote: >>> >>> Which is weird, because on my computer's Stata, "reg y t* " and any other >>> command using the asterisk works fine, just -anova- that seems to throw the >>> error for some reason. I'm using Stata9 on my computer if that clarifies >>> anything. >> >> >> Well, at least that narrows it down. I no longer have a version of Stata >> 9 on my machine, so I can't look at this issue further. Perhaps someone >> with Stata 9 still available (or a better memory of -anova- under version 9) >> might be able to add something. >> >> One workaround would be the following (IIRC, -unab- predated Stata 9): >> >> unab t: t* >> anova y `t' >> >> though upgrading, if possible, would clearly be preferable. > > > Ok, I must confess that this made me a bit curious, especially since my > previous statement > > > On Apr 3, 2010, at 5:21 PM, Phil Schumm wrote: >> >> Regardless, this isn't due to -anova-, but rather is a function of how >> Stata is parsing the command line. > > > was clearly incorrect (I also misspoke when I said "parsing the command > line" -- what I should have said was "expanding the varlist"). Instead, > this *does* have to do with -anova-'s syntax. I pulled an old copy of Stata > 9, and sure enough, I get exactly the behavior Vineet describes. > > Unfortunately, in Stata 9 -anova- was a built-in command, so we can't look > at the source. However, the syntax diagram > > anova varname [term [/] [term [/] ...]] [if] [in] [weight] [, > options] > > where term is of the form varname[{*||}varname[...]] > > suggests that -anova- was using its own approach to interpret the list of > model terms, and although one could specify a model as a simple list of > variables, -anova- under Stata 9 evidently didn't support varname globbing. > > In sum, the workaround I gave above is your only option under Stata 9. > > > -- Phil > > * > * 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/ > * * 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/

**References**:**st: using varlist wildcards in anova***From:*Vineet Bhagwat <vineet.bhagwat@gmail.com>

**Re: st: using varlist wildcards in anova***From:*Phil Schumm <pschumm@uchicago.edu>

**Re: st: using varlist wildcards in anova***From:*Vineet Bhagwat <vineet.bhagwat@gmail.com>

**Re: st: using varlist wildcards in anova***From:*Phil Schumm <pschumm@uchicago.edu>

**Re: st: using varlist wildcards in anova***From:*Vineet Bhagwat <vineet.bhagwat@gmail.com>

**Re: st: using varlist wildcards in anova***From:*Phil Schumm <pschumm@uchicago.edu>

**Re: st: using varlist wildcards in anova***From:*Phil Schumm <pschumm@uchicago.edu>

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