I would do the following before starting to mess with stuff like the
bootstrap:
expand nnoti
proportion esenti
-- Maarten
--- Vincenzo Carrieri <[email protected]> wrote:
> I have the following stata output:
>
> > esenti = 0
>
> Variable | Obs Mean Std. Dev. Min
> Max
> ______________________________________________________
> nnotti | 1032 4.545543 4.936243 1
> 80
>
> -> esenti = 1
>
> Variable | Obs Mean Std. Dev. Min
> Max
> __________________________________________________________
> nnotti | 3125 9.78528 12.73163 1
> 90
>
>
> "Esenti" is a dummy variable that indicates if a person copayment
> free
> or not. "nnotti" are the numbers of days spent in a hospital.
> So, the total number of nights, are 1032 (Obs) x 4.545543 + 3125 X
> 9.78528 = 35270
> I wish to calculate the proportion of nights spent by esenti=1 out
> of
> total nights. I compute simply this proportion, but It's just a
> sample
> proportion. Is it meaningful to randomly replicate my sample 1000
> times and compute my proportion for each of these samples? It allows
> me to have a range of values of my proportion and not only a single
> sample value. I think this should be bootstrapping, but I don't have
> a
> deep knowledge about this argument. If yes, how to do it on stata?
>
> I appreciate any advice or comment.
> Many thanks,
>
> Vincenzo
> *
> * 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/
>
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/