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tardily
2010 May 05
3
Memory issue
Reading a flat text file 138 Mbyte large into R with a combination of
scan (to get the header) and read.table. After conversion of text time
stamps to POSIXct and conversion of integer codes to factors I convert
everything into one data frame and release the old structures containing
the data by using rm().
Strangely, the rm() does not appear to reduce the used memory. I checked
using