(integer(1) )
The chunksize determines in how many subparts the prediction task will be
split into. The value can be roughly thought of as megabyte of a raster file
on disk. For example, if a prediction on a 1 GB file would be carried out
with chunksize = 100L , the prediction would happen in 10 chunks.
The default of chunksize = 1000L might be a good compromise between speed
and memory usage. If you find yourself running out of memory, reduce this
value.
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