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From |
Daniel Feenberg <feenberg@nber.org> |

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

Subject |
Re: st: Machine spec for 70GB data |

Date |
Sat, 22 Oct 2011 08:47:59 -0400 (EDT) |

On Sat, 22 Oct 2011, Gindo Tampubolon wrote:

Dear all,I need to process a large data file [70GB; a few millions obs] withStata 12 MP8. Mainly to do cross-random effects,individuals andhospitals, where the outcome is length of stay [controlling for no morethan a handful of covariates to begin with]. As an approximation, theoutcome is treated as continuous i.e. linear mixed models.What kind of machine spec would be needed? Any ideas, information,experience? Would operating system make any difference? I'm open toconsider Windows, Linux, OS X.

If you are able to read a subset of the data into a machine you already

I have posted some suggestions for working with large datasets in Stata at http://www.nber.org/sys-admin/large-stata-datasets.html

There is some information on the Stata website: http://www.stata.com/support/faqs/win/winmemory.html http://www.stata.com/support/faqs/data/dataset.html

Dan Feenberg

Many thanks, Gindo University of Manchester * * 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: Machine spec for 70GB data***From:*Gindo Tampubolon <Gindo.Tampubolon@manchester.ac.uk>

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