Rerun your code and as soon as the error occurs type:
> traceback()
This will show more information on where the error is actually occuring. If
this does not clear it up for you, then send more of an example of what you are
doing along with the output of traceback (see the link at the bottom of all
r-help messages for more information on heow to get good answers from the
group) and we may be better able to help.
________________________________
From: [EMAIL PROTECTED] on behalf of john polo
Sent: Mon 3/10/2008 5:25 PM
To: r-help@r-project.org
Subject: [R] parmat error from MASS?
i'm in the midst of using R for a PVA/matrix project. my math skills are
lousy and programming skills are worse. to deal with an error that i
couldn't solve, i changed a parameter that used a new part of a routine
in our PVA package's code:
else if (ES == "ParDraw") {
require(MASS)
(previously, ES was "MatrixDraw" and MASS wasn't called for)
now, i get the following error:
Error in apply(parmat, 1, mean) : dim(X) must have a positive length
there is no code in the PVA package routines that has a line that says
"apply(parmat, 1, mean)" or parmat or the format "(____, 1, mean)".
that's why i think the error has something to do with MASS. i tried to
update MASS, but had problems with that. i've searched for parmat. i
looked through the MASS documentation for parmat. i don't know what it
is or how to change whatever is affecting parmat.
i'm using RGui from version 2.6.0 on an XP machine.
sincerely,
john
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______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
