[Rsiena-help] New error after updating to newest version

[Michelle Shumate]

Hi,
I have been working on a few additional tests using RSiena on a model that I
had put together for submission back in December. The paper was
conditionally accepted but the reviewers asked a few questions. All was
going fine, and the model was running well yesterday. However, I decided to
update RSiena from CRAN and am now receiving the following error when I try
to call

sample<-siena07(mymodel, data=mydata, effects=myeff)

Loading Tcl/Tk interface...done
Error in the initializeFRAN(z, x, data, effects, prevAns, initC, profileData
= profileData, :
REAL() can only be applied to a 'numeric', no a 'NULL'

I am on a windows machine.

Can someone help me interpret the error message and/or let me know what they
think might be the cause?

Michelle Shumate
Associate Professor
Department of Communication
University of Illinois at Urbana-Champaign
http://www.michelleshumate.com
http://sectorblender.blogspot.com/
To make appointments please visit: http://tinyurl.com/shumate-appointments
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