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From |
Rubiana Chamarbagwala <rchamarb@indiana.edu> |

To |
statalist@hsphsun2.harvard.edu |

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

Date |
Mon, 25 Apr 2005 10:29:47 -0500 |

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/

-- Rubiana Chamarbagwala Assistant Professor Department of Economics Indiana University 100 S. Woodlawn Bloomington, IN 47405 rchamarb@indiana.edu http://mypage.iu.edu/~rchamarb * * 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: RE: bootstrap coefficient standard errors***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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