[R] multi-dimension array of raw

[Duncan Murdoch]

On 6/20/2006 6:24 PM, Gerald Jansen wrote:
> I would like to store and manipulate large sets of marker genotypes 
> compactly using "raw" data arrays. This works fine for vectors or
> matrices, but I run into the error shown in the example below as soon
> as I try to use 3 dimensional arrays (eg. animal x marker x allele).
> 
>> a <- array(as.raw(1:6),c(2,3))
>> a
>      [,1] [,2] [,3]
> [1,]   01   03   05
> [2,]   02   04   06
>> a[1,] <- raw(3)
>> a
>      [,1] [,2] [,3]
> [1,]   00   00   00
> [2,]   02   04   06
>> b <- array(as.raw(1:6),c(1,2,3))
>> b[1,,]
>      [,1] [,2] [,3]
> [1,]   01   03   05
> [2,]   02   04   06
>> b[1,1,] <- raw(3)
> Error: incompatible types (from raw to raw) in array subset assignment
> 
> I can work around this with computed indices, but I wonder if this is
> expected behaviour. 

This is now fixed in r-devel and r-patched.

Duncan Murdoch