search for: bigalgebra

Displaying 4 results from an estimated 4 matches for "bigalgebra".

2013 Feb 27
0
Bigalgebra and irlba error
When running irlba on a big.matrix as in the example from the vignette (on Windows R 2.15.2 64 bit) it returns with an error (see below). irlba works fine on a regular R matrix > library(bigalgebra) > library(irlba) Loading required package: Matrix Loading required package: lattice > matmul <- function(A, x, transpose=FALSE) + { + if(transpose) {return(t( t(x) %*% A))}# i.e., t(A) %*% x + return (A %*% x) + } > set.seed(1) > A <- matrix(rnorm(100),10) > a <...
2010 May 10
0
bigmemory 4.2.3
...een extracted and will be available through package synchronicity (on R-Forge, soon to appear on CRAN). Initial versions of packages biganalytics and bigtabulate are on CRAN, and new versions which resolve the warnings and have streamlined CRAN-friendly configurations will appear shortly. Package bigalgebra will remain on R-Forge for the time being as the user-interface is developed and the configuration possibilities expand. For more information, please feel free to email us or visit http://www.bigmemory.org/. Jay Emerson & Mike Kane -- John W. Emerson (Jay) Associate Professor of Statistics...
2010 May 10
0
bigmemory 4.2.3
...een extracted and will be available through package synchronicity (on R-Forge, soon to appear on CRAN). Initial versions of packages biganalytics and bigtabulate are on CRAN, and new versions which resolve the warnings and have streamlined CRAN-friendly configurations will appear shortly. Package bigalgebra will remain on R-Forge for the time being as the user-interface is developed and the configuration possibilities expand. For more information, please feel free to email us or visit http://www.bigmemory.org/. Jay Emerson & Mike Kane -- John W. Emerson (Jay) Associate Professor of Statistics...
2010 Jul 18
6
CRAN (and crantastic) updates this week
...ike http://crantastic.org/packages/biganalytics This package extends the bigmemory package with various analytics. Functions bigkmeans and binit may also be used with native R objects. For tapply-like functions, the bigtabulate package may also be helpful. For linear algebra support, see bigalgebra. For mutex (locking) support for advanced shared-memory usage, see synchronicity. * bigtabulate (1.0.11) Jay and Mike http://crantastic.org/packages/bigtabulate This package extends the bigmemory package with table- and split-like support for big.matrix objects. The functions may al...