I am trying to compare the speed of my R code with that reported by the
authors of a reference paper who used Matlab. The authors of the paper
state "Total CPU time for the algorithm was 10 s for the ...on a modest
mobile 2.2 GHz Pentium processor running MATLAB v.6".

I am using proc.time (similar to the example shown in ?proc.time) to
determine the speed of my R code. Could someone please tell me whether
"user" time or "system" time is the equivalent of total CPU time reported
by Matlab.

Thanks
GG

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