Methods for chunked range index
Calls chunks to create a sequence of range indexes along the object which causes the method dispatch.
chunk(x = NULL, ...) ## Default S3 method: chunk(x = NULL, ..., RECORDBYTES = NULL, BATCHBYTES = NULL)
x |
the object along we want chunks |
... |
further arguments passed to |
RECORDBYTES |
integer scalar representing the bytes needed to process a single element of the boolean vector (default 4 bytes for logical) |
BATCHBYTES |
integer scalar limiting the number of bytes to be processed in one chunk, default from |
chunk is generic, the default method is described here, other methods
that automatically consider RAM needs are provided with package 'ff', see
for example chunk.ffdf
returns a named list of ri objects
representing chunks of subscripts
default: default vector method
chunk.default, chunk.ff_vector, chunk.ffdf
Jens Oehlschlägel
chunk(complex(1e7)) chunk(raw(1e7)) chunk(raw(1e7), length=3) chunks(1,10,3) # no longer do chunk(1,100,10) # but for bckward compatibility this works chunk(from=1,to=100,by=10)
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