[R] Performance issue on sparse matrix object

Romeo Kienzler romeo.kienzler at gmail.com
Sun Mar 8 14:27:59 CET 2015


I'm writing to a sparse 2500x180000 matrix in a column wise random access
pattern and I'm facing very strong performance issues which I'm not facing
with the dense implementation ( where I'm facing main memory issues )

Is there another way to solve this?

Best regards


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