search for: 7ejay

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2008 Jun 25
1
huge data?
...that > are really distinct from the choice of malloc. > > Jay > > -- > John W. Emerson (Jay) > Assistant Professor of Statistics > Director of Graduate Studies > Department of Statistics > Yale University > http://www.stat.yale.edu/~jay <http://www.stat.yale.edu/%7Ejay> > [[alternative HTML version deleted]]
2010 Jun 16
2
Parallel computing on Windows (foreach) (Sergey Goriatchev)
...ster, while I have a simple dual-core PC. It is not really clear for how to make parallel computing work. Please, help. Regards, Sergey -- John W. Emerson (Jay) Associate Professor of Statistics Department of Statistics Yale University http://www.stat.yale.edu/~jay <http://www.stat.yale.edu/%7Ejay> [[alternative HTML version deleted]]
2010 Feb 06
2
question about bigmemory: releasing RAM from a big.matrix that isn't used anymore
Hi all, I'm on a Linux server with 48Gb RAM. I did the following: x <- big.matrix(nrow=20000,ncol=500000,type='short',init=0,dimnames=list(1:20000,1:500000)) #Gets around the 2^31 issue - yeah! in Unix, when I hit the "top" command, I see R is taking up about 18Gb RAM, even though the object x is 0 bytes in R. That's fine: that's how bigmemory is supposed to
2010 Aug 11
1
Bigmemory: Error Running Example
Hi, I am trying to run the bigmemory example provided on the http://www.bigmemory.org/ The example runs on the "airline data" and generates summary of the csv files:- library(bigmemory) library(biganalytics) x <- read.big.matrix("2005.csv", type="integer", header=TRUE, backingfile="airline.bin", descriptorfile="airline.desc",
2010 Jul 05
2
Windows 64bit package build requires underscore hack?
Hello, After much tinkering I managed to build packages using the 64bit version of R with the help of hints from http://www.murdoch-sutherland.com/Rtools/ and http://www.stats.ox.ac.uk/~ripley/Win64/W64porting.html and R-admin Manual. But a hack was required, and this seems to be related to a comment about underscores at the end of the second reference above (but this comment is about FUTURE
2010 Mar 22
3
Mosaic Plots
Hello Everyone I want to plot Moasic Plots, I have tried them using iplots package (using imosaic). The problem is the names dont get alligned properly, is there a way to a align the names and provide legend in Mosaic plots using R? Also I would like to know any other packages using which I can plot Mosaic Plots Thank you in advance Sunita -- View this message in context:
2010 Mar 24
0
R-help ordinal regression
...ou in advance > >> Sunita > >> -- > >> > >> > > -- > > John W. Emerson (Jay) > > Associate Professor of Statistics > > Department of Statistics > > Yale University > > http://www.stat.yale.edu/~jay <http://www.stat.yale.edu/%7Ejay> > > > > > > -- > John W. Emerson (Jay) > Associate Professor of Statistics > Department of Statistics > Yale University > http://www.stat.yale.edu/~jay > > ??? [[alternative HTML version deleted]] > > > > ------------------------------...