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I'm trying to learn data.table package but I get a following annoying error message: > install.packages("data.table") trying URL 'http://www.freestatistics.org/cran/bin/macosx/universal/contrib/2.10/data.table_1.2.tgz' Content type 'application/x-gzip' length 66823 bytes (65 Kb) opened URL ================================================== downloaded 65 Kb The downloaded packages are in /var/folders/n-/n-wPTanPGa4PpVd0bTgCOU+++TI/-Tm...

Dear Mr. or Ms.,   I would like to use the R-software to run the zero inflated mixed model and hurdle mixed model. But I do not know how to do? Would you please tell me the code and data format?   I will be very appreciated if you can help me. Thank you very much.   Best regards,   Sincerely, Xiongqing Zhang [[alternative HTML version deleted]]

I am currently running an R program on a computer with 16 Gb memory (Windows7, 64 bit). When I look at the task manager, I see that only 4 out of the 8 CPUs are being used. Is this due to some missing in the R code, or should I change something to the settings of the computer? Laurent Franckx, PhD Expert VITO NV Boeretang 200, 2400 MOL, Belgium Tel. + 32 14 33 58 22 Skype: laurent.franckx

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