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R Programming for Bioinformatics
book

R Programming for Bioinformatics

by Robert Gentleman
July 2008
Intermediate to advanced content levelIntermediate to advanced
328 pages
10h 53m
English
Chapman and Hall/CRC
Content preview from R Programming for Bioinformatics
Debugging and Profiling 293
user system elapsed
1.817 0.635 2.455
> system.time(mad(runif(10000000)))
user system elapsed
2.003 0.632 2.638
The optional argument gcFirst is TRUE by default and ensures that R’s
garbage collector is run prior to the evaluation of the supplied expression. By
running the garbage collector first, it is likely that more consistent timings
will be produced.
9.6 Managing memory
There are some tools available in R to monitor memory usage. In R, memory
is divided into two separate components: memory for atomic vectors (e.g.,
integers, characters) and language elements. The language elements are the
SEXPs described in Chapter 6, while ...
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Publisher Resources

ISBN: 9781420063677