R: Multivariate Data Handling with S4 Classes and Sparse...
mefa4-package
R Documentation
Multivariate Data Handling with S4 Classes and Sparse Matrices
Description
An S4 update of the 'mefa' package
using sparse matrices for enhanced efficiency.
Details
An S4 update of the 'mefa' package
using sparse matrices for enhanced efficiency.
Sparse array-like objects are supported via
lists of sparse matrices.
Main functions: Xtab, Mefa.
Accessor and replacement functions: xtab,
samp, taxa.
Methods: mbind, groupSums,
groupMeans.
Coercion methods and virtual classes defined for
cross compatibility with the mefa package.
S4 object classes are described in Mefa help page.
The vignette vignette("mefa4") gives an overview of the package,
gives a comparison of S3 and S4 object classes, and presents a performance
review.
Author(s)
Peter Solymos
Maintainer: Peter Solymos <solymos@ualberta.ca>
References
Solymos P. (2008) mefa: an R
package for handling and reporting count data.
Community Ecology9, 125–127.
Solymos P. (2009) Processing ecological
data in R with the mefa package.
Journal of Statistical Software29(8), 1–28.
http://www.jstatsoft.org/v29/i08/