[BioC] Using MAANOVA functions

Wolfgang Huber huber at ebi.ac.uk
Wed Dec 21 19:08:21 CET 2005

Hi Heather,

>>Here is an example of the error I get.  It is identical also for the
>>"resiplot" command:
>>Error in plot.window(xlim, ylim, log, asp, ...) :
>>    need finite 'xlim' values
> Looks like the calculation of xlim results in either an Inf or -Inf. 
> Your best bet is to run riplot() under the debugger and see what is 
> being passed to plot().
> debug(riplot)
> riplot(spore)
> You will be able to step through the function and see what you get for 
> max(I) and min(I), which may help figure out what is happening.

Another, quite powerful, possibility is to set


before running the command. When an error occurs, you will be presented 
with a menu of evaluation frames (this is R-speak for different 
subroutine levels), you can choose any of them and study the values of 
the variables just before the error occured. With "c" you can get back 
to the menu, and with "Q" you can exit.

Best regards

Wolfgang Huber
European Bioinformatics Institute
European Molecular Biology Laboratory
Cambridge CB10 1SD
Phone: +44 1223 494642
Fax:   +44 1223 494486
Http:  www.ebi.ac.uk/huber

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