[R] Strange behavior of 2-d array within function

PIKAL Petr petr@p|k@| @end|ng |rom prechez@@cz
Thu Oct 7 10:36:00 CEST 2021


I would print/save iteration number to see at what time this occured and
probably traceback() could give you some hint.
Alternatively you could make a function from your code see ?function and use
debug to trace the error.

Without some working example it is impossible to see where is the problem.


> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of Gabriel Toro
> Sent: Wednesday, October 6, 2021 8:32 PM
> To: r-help using r-project.org
> Subject: [R] Strange behavior of 2-d array within function
> Hi,
> I have a function, which defines an array of dimensions 5000 by 60,
> the values within that array and then returns the array on exit.
> I get an error: Error in my_simulated[ir, 1:it] : incorrect number of
> For some strange reason, the array is somehow being changed from
>        mode "numeric" and attributes $dim=6000 by 50
>        to
>        mode "list" and attributes NULL
> This change occurs at more or less random iterations within a loop (all
> the same function call). I am not explicitly manipulating the mode or
> attributes of the array after it is created.
> I would appreciate any suggestions on what may be causing this problem. I
> have stared at the code for a long time, run the debugger, etc.
> Thanks,
> Gabriel
> 	[[alternative HTML version deleted]]
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