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

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

Subject |
RE: st: AW: Return results only from observations used in estimated model |

Date |
Mon, 5 Oct 2009 12:37:50 +0100 |

See also SJ-7-2 dm0030 . . . . . . . . . . Stata tip 44: Get a handle on your sample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B. Jann Q2/07 SJ 7(2):266--267 (no commands) tip on how to keep track of the observations that make up your estimation sample Nick n.j.cox@durham.ac.uk John Antonakis Dear Martin and Richard: Great! -if e(sample)- ......does the trick! By table, I wanted to table the frequencies of the categorical predictors, i.e., table y x z if e(sample), row col sc Now I get the same number of observations from the table as I did in the logistic. On 04.10.2009 21:21, Martin Weiss wrote: > Just condition on -e(sample)-. I am not quite sure what "table the results" > is supposed to mean, though. > > > ************* > > vers 10.1 > > clear* > set obs 150 > > gen x1=26+int(27*runiform()) > gen x2=runiform()<.48 > > gen byte draw = /* > */ runiform() < /* > */ invlogit(1+.02*x1+.3*x2) > > logistic draw x* > > tempvar tem > gen `tem'=runiform() > sort `tem' > > drop in 121/150 > > logistic draw x* > > table draw if e(sample), /* > */ c(freq mean x1 mean x2) > ************* John Antonakis > Suppose I run a model using logistic on a data set with 150 observations: > > logistic y x z q r > > Now, suppose that because of listwise, the number of observations in the > logistic model are 120. > > How would I table the results (using say only variable x and z) based > ONLY on the data from the logistic model (i.e., the listwise sample) and > not the whole sample ? > * * 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: Return results only from observations used in estimated model***From:*John Antonakis <john.antonakis@unil.ch>

**st: AW: Return results only from observations used in estimated model***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**Re: st: AW: Return results only from observations used in estimated model***From:*John Antonakis <john.antonakis@unil.ch>

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