Coercing to virtual mode
as.vmode is a generic that converts some R ram object to the desired vmode.
as.vmode(x, ...) as.boolean(x, ...) as.quad(x, ...) as.nibble(x, ...) as.byte(x, ...) as.ubyte(x, ...) as.short(x, ...) as.ushort(x, ...) ## Default S3 method: as.vmode(x, vmode, ...) ## S3 method for class 'ff' as.vmode(x, ...) ## Default S3 method: as.boolean(x, ...) ## Default S3 method: as.quad(x, ...) ## Default S3 method: as.nibble(x, ...) ## Default S3 method: as.byte(x, ...) ## Default S3 method: as.ubyte(x, ...) ## Default S3 method: as.short(x, ...) ## Default S3 method: as.ushort(x, ...)
x |
any object |
vmode |
virtual mode |
... |
The |
Function as.vmode actually coerces to one of the usual storage.modes (see .rammode) but flags them with an additional attribute 'vmode' if necessary.
The coercion generics can also be called directly:
as.boolean |
1 bit logical without NA |
as.logical |
2 bit logical with NA |
as.quad |
2 bit unsigned integer without NA |
as.nibble |
4 bit unsigned integer without NA |
as.byte |
8 bit signed integer with NA |
as.ubyte |
8 bit unsigned integer without NA |
as.short |
16 bit signed integer with NA |
as.ushort |
16 bit unsigned integer without NA |
as.integer |
32 bit signed integer with NA |
as.single |
32 bit float |
as.double |
64 bit float |
as.complex |
2x64 bit float |
as.raw |
8 bit unsigned char |
as.character |
character |
a vector of the desired vmode containing the input data
Jens Oehlschlägel
as.vmode(1:3,"double") as.vmode(1:3,"byte") as.double(1:3) as.byte(1:3)
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