On 01/06/2011 12:16 PM, Chris English wrote:
Dear R_Help:
The following gives me a matrix with integer values.
z= matrix(rep(10:1, each= 10), ncol= 10, byrow=TRUE)> str(z) int [1:10, 1:10]
10 9 8 7 6 5 4 3 2 1 ...
How do I specify that I want Float32 values instead.
You can't. R doesn't support that type.
If you want to pass it to an external function that is expecting C
single type, you can use as.single(x). That won't convert it to single
precision, but it will cause it to be copied to a single precision array
whenever you call .C or .Fortran.
Duncan Murdoch
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