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Thank you John, you are giving me two precious tips (in addition, well explained!): 1. to use the package plyr (I didn't know it before, but it seems to make the deal!) 2. a smart and promising way to...
Hi dear R-helpers, I really appreciate your "coding the answers" to (my) questions. I am now in the situation to get results in a very shorter time and with a proper code. +++++ the study (summary) +++++++++++++++++++++ In (short) response to...
Thanks Rui, thanks John for your very different solutions. I'll try to break my questions into smaller steps following your tips. However, not everything is clear for me... so before giving you a feed-back I need to study...
Dear all, I'm looking for primary help at aggregating table() results and at writing a loop (if useful) My dataset ( http://goo.gl/gEPKW ) is composed of 23k rows, each one representing a point in the space of which...
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