Re: [R] array() misfeature

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Sun, 02 Dec 2007 13:02:52 -0500

On 02/12/2007 11:49 AM, Allen McIntosh wrote:
> Version: 2.5.1

That's an obsolete version, but the issue is still present in R-devel.

> array() is inconsistent when given non-integral dimensions:
>

>> zz <- array(0,dim=c(4,3.01))
>> dim(zz)

> [1] 4 3
>> zz <- array(0,dim=c(201,4.05))

> Error in dim(data) <- dim : dim<- : dims [product 804] do not match the length of object [814]
>
>
> [IMHO the code that did this is broken. My copy of it has been
> fixed. Consistent behavior and/or a clearer error message would
> just have made it easier to find the problem.]
>

I'll add code to coerce dim to integer before using it. Thanks for the report.

Duncan Murdoch



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