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

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

Subject |
RE: st: RE: bootstrap coefficient standard errors |

Date |
Mon, 25 Apr 2005 17:14:03 +0100 |

If you did in fact type ... as part of your command then that is invalid syntax. If you didn't type that, then the same comment applies: we need to see _exactly_ what you typed. Nick n.j.cox@durham.ac.uk Rubiana Chamarbagwala > Nick - thanks for the information. Here is the syntax I used. > > (1) bootstrap "dprobit y x1 x2 x3 x4 x5" "_b[x1] _b[x2]", reps(1000) > cluster(x6) -- this worked. > > (2) bootstrap "dprobit y x1 x2 x3 x4 x5 x7 x8 x9 x10 ... x50" "_b[x1] > _b[x2]", reps(1000) cluster(x6) -- this returned "invalid syntax". > > The variables in (2) above include dummies and interctions > with dummies. > > > Nick Cox wrote: > > >-whelp limits- indicates various limits. > > > >It is always worth including examples of the > >invalid syntax you used. > > > >I doubt that the explanation of your problem lies > >in the direction you are looking. The error message > >you got would be normally be > >produced well before trying to apply the -regress- > >command. However, without indications of > >what you actually typed it is difficult to help further. > > > >Nick > >n.j.cox@durham.ac.uk > > > >Rubiana Chamarbagwala > > > > > > > >>Hi - I am trying to estimate a probit model with lots of > independent > >>variables and estimate bootstrapped standard errors for 4 > variables. > >>Stata keeps returning "invalid syntax" when I include all the > >>independent variables. However, when I include only a few > >>variables, it > >>works. Does anyone know whether or not there is a limit to > >>the number > >>of variables one can include in a regression when one uses > >>the bootstrap command? * * 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/

**Follow-Ups**:**Re: st: RE: bootstrap coefficient standard errors***From:*Rubiana Chamarbagwala <rchamarb@indiana.edu>

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