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Dear List, I have two data.frame of the following form: A: n V1 V2 1 12 0 2 10 8 3 3 8 4 8 4 6 7 3 7 12 0 8 1 0 9 18 0 10...
Dear Listmembers We have a data server with some amounts of data which we try to analyze using R. Now having some MySQL databases with MySQL Ver 12.22 Distrib 4.0.24 and R 2.1.0 compiled from...
Full_Name: Dubravko Dolic Version: 2.1.0 OS: Linux Submission from: (NULL) (212.18.9.161) I posted this mail to the HELP list earlier. Meanwhile we are quite shure that there must be a bug. Not nessecarily in...
In my (limited) experience R is more powerful concerning data manipulation. An example: I have a vector holding a user id. Some user ids can appear more than once. Doing SELECT COUNT(DISTINCT userid) on MySQL will take approx. 15...
Dear Peter, AMD64 and EM64T (Intel) were designed as 32bit CPUs which are able to address 64bit registers. So they are nut "pure" 64bit Systems. This is why they are much cheaper than a real 64bit machine. -----Urspr??ngliche Nachricht...
Dear Prof. Ripley. Thank You for Your quick answer. Your right by assuming that we run R on a 32bit System. My technician tried to install R on a emulated 64bit Opteron machine which led into some trouble. Maybe because...
Dear Group I'm still trying to bring many data into R (see older postings). After solving some troubles with the database I do most of the work in MySQL. But still I could be nice to work on some...
Hi all, the moment you hit the 'send' button you know the answer... I approached a solution similar to this one given by Marc. But maybe there is a better one? Even because this operation is done in a for...
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