[R] Suggestion for big files [was: Re: A comment about R:]
pinard at iro.umontreal.ca
Sun Jan 8 19:06:20 CET 2006
>>>One problem [...] is that R's I/O is not line-oriented but
>>>stream-oriented. So selecting lines is not particularly easy in R.
>>I understand that you mean random access to lines, instead of random
>>selection of lines.
>That was not my point. [...] Skipping lines you do not need will take
>longer than you might guess (based on some limited experience).
Thanks for telling (and also for the expression "reservoir sampling").
OK, then. All summarized, if I ever need this for bigger datasets,
selection might better be done outside of R.
François Pinard http://pinard.progiciels-bpi.ca
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