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tp3050414p3050414
2010 Nov 19
3
Still confused with lapply
Hello,
I would like to replace a for loop with lapply in order to speed up the
treatment of my data (I've read lapply can help to do it).
At the end of the message, you will find a simple example (function is more
complex and data frames is more than 1 million of rows) of what I would like
to do, that is applying the same calculation to all the rows of the data
frame (knowing that I cannot