[email protected]
> Im currently trying to simulate both means and medians
> using bootstrap in
> Stata version 7. I need to generate a distribution of
> simulated means and
> medians. I am trying to generate these for a variable
> called -ployalty- which
> has a range of 0-1. The cluster variable, -clstr-, has a
> range of 1-5. In
> short, I am trying to generate means and medians using one
> observation from
> each cluster.
>
> Here is the code that I used to try to simulate the means:
>
> bs "summarize ployal" "r(mean)", reps (100) cluster
> (clster) saving (genmean)
>
> However, the new file genmean.dta has the same value, .745,
> for all 100 of the
> observations. What am I doing wrong?
I can't reproduce this with
bs "summarize mpg" "r(mean)", reps(100) cluster(rep78) saving(genmean)
Something to do with the cluster variable?
> Also, when I try to run the simulation for medians using
> the following code:
>
> bs "summarize ployal" "r(mean)", reps (100) cluster
> (clster) saving (genmed)
>
> The only value returned is no value, i.e. . Any thoughts
> on what I�m doing wrong here?
I assume r(mean) is a typo here.
To get a median out of -summarize-, you must specify
the -detail- option.
*
* 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/