Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: Estimates save and lincom - Stata10


From   "Austin Nichols" <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Estimates save and lincom - Stata10
Date   Thu, 8 Nov 2007 10:33:05 -0500

Spörri-Fahrni Adrian <spoerri@ispm.unibe.ch>:

OK, now I see what you mean.  But given that -est save filename- can
have a pretty weird string for -filename- it might not be so easy for
-est- or you to use the proposed feature, and it only saves you one
line of code:

webuse bangladesh, clear
qui logistic c_use urban age child*
tempfile bangla1 bangla2
estimates save `bangla1', replace
qui logistic c_use urban age
estimates save `bangla2', replace
clear all
est use `bangla1'
di "Now store est as `bangla1' --really?"
est sto bangla1
est use `bangla2'
lrtest bangla1 .


On 11/8/07, Spörri-Fahrni Adrian <spoerri@ispm.unibe.ch> wrote:
> Austin,
> you mistook my intention about an option store for the command "estimates use."
> As soon as you want to compare the results of two or more estimation results, you have to follow two steps: First you load the results from disk using "estimates use filename" and then, second, store them into memory using "estimates store filename". You have to do this for each saved estimation result before you can start running e.g. likelihood-ratio tests. My idea was to combine these two necessary steps into one, with the help of a new option "store", like "estimates use filename, store".
> This has nothing to do with saving data - which I definitely don't want to do for each estimation result!
>
> Adrian
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Austin Nichols
> Sent: Wednesday, November 07, 2007 10:51 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Estimates save and lincom - Stata10
>
> No, it wouldn't be great.  I think you mean such a "feature" to bring the whole dataset back into memory.  If you saved the data along with every estimate (the only way to implement such a "feature"), you might fill up all the available hard disk space in your country in a matter of days.  Seriously, if you're using a large dataset (a few GB) and you saved it separately along with every estimate, you would run out of space very quickly.
>
> Perhaps you are confusing saved estimates and saved data?
>
> On 11/7/07, Spörri-Fahrni Adrian <spoerri@ispm.unibe.ch> wrote:
> > This is great! Thanks to Austin and Roger.
> >
> > Wouldn't it be a nice feature to have the option store for estimates use?
> > estimate use filename, store
> >
> > It'd bring back the saved estimation results directly to where we normally use them: in the memory.
> >

*
*   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/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index