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Re: st: Re: Ordplot interpretation


From   "Winfield Scott Burhans" <[email protected]>
To   [email protected]
Subject   Re: st: Re: Ordplot interpretation
Date   Sat, 24 Jul 2004 14:45:51 -0400 (EDT)

Janet,
I think you are correct. The "indication of an interaction" is quite weak
if it exists at all.  I suspect an error might have been made originally
when the data was set up...I used -encode- on the "attend" variable, and
it coded differently than the low/medium/high = 1/2/3 suggested by the
help text, and as a result I did observe an interaction using the
incorrectly coded data...perhaps; there is also weak suggestion of an
interaction if the plot is on the raw scale rather than on the logit
scale.

Anyway, maybe you are missing something obvious, but if you are, so am I

Buzz Burhans


> I have been using ordplot and thought that I understood it until I tried
> the
> Knoke and Burke example in the help file which states that the resultant
> plot shows evidence of an interaction. I have been looking at this plot
> for
> a couple of days and I cannot see the interaction. I realise that I am
> missing something blindingly obvious. Can somebody please enlighten me.
> Thanks,
> Janet
>
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