search for: 250n

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2009 Mar 18
2
How do I set the Windows temporary directory in R?
...omname from its default (C:\Documents and Settings\username\Temp\somerandomname) -- how do I go about doing this? --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Aug 27
19
Best R text editors?
...people who are using editors that have some level of direct R interface (e.g. Tinn-R, Komodo+SciViews). Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Oct 23
2
splitting a vector of strings...
...split on is multiple characters, if that matters, and it is contained in every element of the character vector. --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Mar 13
2
Using format to add leading zeroes
...where I need to go using on the base package and not needing to write a for-next loop to implement pad0. Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Jun 16
2
Statistically detecting thresholds...
..., you see a nice, nearly parabolic relationship around what the threshold appears to be of p-value vs. threshold. --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Apr 07
1
Constrained, multiple response statistics
...iple response statistics before, so I'm mostly trying to get some pointers on where to begin investigating... --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2007 Jul 05
1
(no subject)
...take the x,y,z location as the inputs and calculate these distances themselves. Thanks! Sincerely, Jonathan Greenberg -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307 MSN: jgrn307 at hotmail.com
2009 Nov 02
2
"Safe" way to automatically install required packages...
...package.skeleton() and R CMD build. I'm guessing there's a better way to do this -- any suggestions? --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2010 Jan 28
2
Data frame of different sized lists in a function call
...user doesn't have to pre-construct the data.frame before running the function, if at all possible. Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2010 Jan 20
1
x,y plot question (two sets of labels)
...ol shapes represent (e.g. cross=sin, dot=tan), and b) what the colors mean. Thanks for any help you can give me! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Jan 25
2
.Renviron for multiple hardwares...
...uter (e.g. "~/R/computer1/packages" and "~/R/computer2/packages". Thoughts? Ideas? Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Oct 28
1
Aggregate and cross tabulation
...ate output (above) produces a much larger data frame than a cross-tabulated output would (in my particular case). --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Jul 01
3
"Error: cannot allocate vector of size 332.3 Mb"
Dear R-helpers, I am running R version 2.9.1 on a Mac Quad with 32Gb of RAM running Mac OS X version 10.5.6. With over 20Gb of RAM "free" (according to the Activity Monitor) the following happens. > x <- matrix(rep(0, 6600^2), ncol = 6600) # So far so good. But I need 3 matrices of this size. > y <- matrix(rep(0, 6600^2), ncol = 6600) R(3219) malloc: ***
2009 Jul 06
7
Testing memory limits in R??
Hello Everyone, We have recently purchased a server which has 64GB of memory running a 64bit OS and I have compiled R from source with the following config ./configure --prefix=/usr/local/R-2.9.1 --enable-Rshlib --enable-BLAS-shlib --enable-shared --with-readline --with-iconv --with-x --with-tcktk --with-aqua --with-libpng --with-jpeglib and I would like to verify that I can use
2007 Jul 05
0
Kriging with precalculated point-to-point distances?
...take the x,y,z location as the inputs and calculate these distances themselves. Thanks! Sincerely, Jonathan Greenberg -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307 MSN: jgrn307 at hotmail.com
2009 Jun 18
1
Stratified random sampling?
...taset, given I want to control the number of samples (rather than the proportion of samples) per strata? Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Jul 10
1
file.copy returning "FALSE"?
...ory I want, but each time it prints "FALSE" -- what does this mean, and how do I suppress this output? --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2008 Oct 29
1
Suppressing internal grid in filled.contour
...via pdf -- I'm using R 2.8.0 on MacOS X. Thanks for any help you all can give me! Sincerely, Jonathan Greenberg -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307 -------------- next part -------------- A non-text attachment was scrubbed... Name: Rplot.pdf Type: application/pdf Size: 231751 bytes Desc: not available URL: <https://stat.ethz.ch/pipermail/r-help/atta...
2009 Mar 16
1
Best way to do temporal joins in R?
...d database such that I get for each uniqueID in DB1: UniqueID,Date,Data1,Data2,Station,Data3 Thoughts? Hints? --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
2009 Aug 30
1
Stochastic (transition) matrices: how to determine distributions and variance?
...ince pXY are stochastic probabilities, it seems that the distribution and variance should be calculable. Thanks! --j -- Jonathan A. Greenberg, PhD Postdoctoral Scholar Center for Spatial Technologies and Remote Sensing (CSTARS) University of California, Davis One Shields Avenue The Barn, Room 250N Davis, CA 95616 Cell: 415-794-5043 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307