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st: bsample

From   honghe Li <>
To, <>
Subject   st: bsample
Date   Thu, 17 Feb 2005 14:00:20 -0500

Hi everyone,

I am new to Stata.

I have a panel dataset of medical groups and their measurements of 10 time occasions. The medical groups contains 135 intervention groups and 25 control groups.

Now I want to resample 200 replications (for modeling, predictions, and then bootstrap the means).
1. In order to have enough sample size for the control group (for modeling), I will need to stratify on this group variable, correct? And I know that bsample has strata to achieve this.
2. However, as the plan is if a medical group is chosen, all of the time occasions should be chosen. It should be clustered on medical group, right?

If i am right about the above two (strata, and cluster), I need to know whether bsample allows both strata and cluster. Can someone help me on this - whether Stata can do this or not, and if it can, what will be the syntax?

Thank you.

Elena Li

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