On 3/21/2012 1:22 PM, Uwe Ligges wrote:
What is the equivalent R command to compress these files in my project
tree?
Michael,
if you use
R CMD build --resave-data
to build the tar archive, the versions therein are recompressed.
But AFAIK, in StatET, R CMD build builds a separate .tar.gz file under
c:/eclipse, and does not affect
the project directory where these files are stored and sync'd with R-Forge.
Otherwise, you can also open the files and resave them via save() and
appropriate arguments.
I exported the .rda files to c:/R/data and ran
> load("gfrance.rda")
> load("gfrance85.rda")
> save(gfrance, file="gfrance.RData", compress="xz")
Error in xzfile(file, "wb", compression = 9) : cannot open the connection
In addition: Warning message:
In xzfile(file, "wb", compression = 9) :
cannot initialize lzma encoder, error 5
Why doesn't this work?
> save(gfrance, file="gfrance.RData", compress=TRUE)
The above works, but only compresses a 300K file to 299K
Or use resaveRdaFiles() in package tools to runn it on a whole folder
automatically.
> sessionInfo()
R version 2.14.1 (2011-12-22)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United
States.1252 LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C LC_TIME=English_United
States.1252
attached base packages:
[1] grid stats graphics grDevices utils datasets
methods base
other attached packages:
[1] p3d_0.02-4 mgcv_1.7-13 car_2.0-12 nnet_7.3-1
rgl_0.92.798 vcd_1.2-13 colorspace_1.1-1 MASS_7.3-17
loaded via a namespace (and not attached):
[1] lattice_0.20-6 Matrix_1.0-4 nlme_3.1-103 tools_2.14.1
>
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street Web: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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