Date: Tue, 18 Mar 2003 11:18:52 -0800
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: "David L. Cassell" <cassell.david@EPAMAIL.EPA.GOV>
Subject: Re: FW: Outputting ONLY significant results
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Peter Flom <flom@NDRI.ORG> sagely replied:
> I agree fully that this is usually a bad idea. I can't think of a
> do so in the ordinary course of data analysis. And I'm not sure why
> to do this. BUT, here is one possible application.
> Suppose you are doing a Monte Carlo study. You want to see how many
> some statistical technique regards as significant, and which ones it
> significant, to compare these results to what you know to be the
> If you ran, say, 1000 iterations of PROC REG with 10 IVs, 3 of which
> be significant, and 7 ought not be, then this might be one way to
reduce the output.
> Of course, there might be better ways to do this as well.
> I only thought of this because I am getting interested in doing some
Monte Carlo simulations myself
In this case, I recommend aggregating the results, but in a "X
significant at Y level
out of Z runs" sort of way. You might want to look at my
to see how I approached this problem. Try this URL:
David Cassell, CSC
Senior computing specialist