Notice: On March 31, it was **announced** that Statalist is moving from an email list to a **forum**. The old list will shut down on April 23, and its replacement, **statalist.org** is already up and running.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

From |
Richard Williams <richardwilliams.ndu@gmail.com> |

To |
statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Sample size for maximum likelihood estimates |

Date |
Thu, 11 Aug 2011 12:05:54 -0500 |

At 10:57 AM 8/11/2011, Maarten Buis wrote:

On Thu, Aug 11, 2011 at 5:20 PM, dk wrote: > Take example If, my dependent variable is respondent go for purchasing > x product or not. I have response 60 % purchase and 40 % do not > purchase. Then is it possible to use 20 explanatory variables. That still depends on the distribution of your explanatory variables (low variance means less power which means more observations are needed), the correlations between these variables (higher correlations means less power which means more observations are needed) and whether or not these include interaction terms (interaction terms mean less power which means more observations are needed). I am sorry, there really is no generic answer to your question. -- Maarten

http://www.nd.edu/~rwilliam/stats3/L02.pdf

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW: http://www.nd.edu/~rwilliam * * 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: Sample size for maximum likelihood estimates***From:*dk <statad27@googlemail.com>

**Re: st: Sample size for maximum likelihood estimates***From:*Maarten Buis <maartenlbuis@gmail.com>

**Re: st: Sample size for maximum likelihood estimates***From:*dk <statad27@googlemail.com>

**Re: st: Sample size for maximum likelihood estimates***From:*Maarten Buis <maartenlbuis@gmail.com>

- Prev by Date:
**Re: st: Sample size for maximum likelihood estimates** - Next by Date:
**st: likelihood ratio test** - Previous by thread:
**Re: st: Sample size for maximum likelihood estimates** - Next by thread:
**st: Constrained Regression** - Index(es):