On Sep 7, 2011, at 4:49 PM, dadrivr wrote:


David Winsemius wrote:
What "mean summary line"? I count 8 lines and that matches the number
if id's with complete data.

Yea, I don't know why there is no mean summary line showing up. I requested
it in the interaction.plot statement (fun = mean), and I don't get any
errors.  Any ideas?

You didn't get any errors and you _did_ get the means. It's just that you only gave it a dataset that had only one value per category. The mean is defined for a single element vector although the sd and var are not. Look more closely at the example on the help page and you will see that it has more than one value per category defined by the two interaction variables

--
View this message in context: 
http://r.789695.n4.nabble.com/Change-properties-of-line-summary-in-interaction-plot-tp3788614p3797231.html

You are still failing to include context. I've seen the Nabble interface. I KNOW that it is not that difficult to include context.


Sent from the R help mailing list archive at Nabble.com.

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David Winsemius, MD
West Hartford, CT

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