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mefa4  

Multivariate Data Handling with S4 Classes and Sparse Matrices
View on CRAN: Click here


Download and install mefa4 package within the R console
Install from CRAN:
install.packages("mefa4")

Install from Github:
library("remotes")
install_github("cran/mefa4")

Install by package version:
library("remotes")
install_version("mefa4", "0.3-12")



Attach the package and use:
library("mefa4")
Maintained by
Peter Solymos
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2011-02-10
Latest Update: 2025-07-13
Description:
An S4 update of the 'mefa' package using sparse matrices for enhanced efficiency. Sparse array-like objects are supported via lists of sparse matrices.
How to cite:
Peter Solymos (2011). mefa4: Multivariate Data Handling with S4 Classes and Sparse Matrices. R package version 0.3-12, https://cran.r-project.org/web/packages/mefa4. Accessed 28 Aug. 2026.
Previous versions and publish date:
(2026-07-09 06:29), 0.2-0 (2011-02-10 09:42), 0.2-1 (2011-05-15 09:29), 0.2-2 (2011-07-23 15:57), 0.2-3 (2011-08-23 07:12), 0.2-4 (2011-10-17 20:41), 0.2-6 (2012-03-19 17:16), 0.2-7 (2012-05-14 17:36), 0.2-8 (2012-07-07 08:58), 0.2-9 (2013-07-11 20:20), 0.3-0 (2013-10-08 08:18), 0.3-1 (2014-05-16 19:53), 0.3-2 (2015-11-22 11:48), 0.3-3 (2016-03-01 10:43), 0.3-4 (2016-10-14 08:16), 0.3-5 (2018-03-25 16:56), 0.3-6 (2019-06-21 07:10), 0.3-7 (2020-02-28 19:00), 0.3-8 (2021-10-06 23:50), 0.3-9 (2022-09-12 14:20), 0.3-11 (2024-05-20 14:30)
Other packages that cited mefa4 R package
View mefa4 citation profile
Other R packages that mefa4 depends, imports, suggests or enhances
Complete documentation for mefa4
Functions, R codes and Examples using the mefa4 R package
Some associated functions: Mefa . Melt . Xtab . abmibirds . find_max . groupSums . mbind . mefa4-package . nameAlnum . nonDuplicated . notin . r2rmd . samp . 
Some associated R codes: 00mefa4classes.R . 00mefa4methods.R . Mefa.R . Melt.R . Xtab.R . compare_sets.R . find_max.R . find_min.R . groupMeans.R . groupSums.R . mbind.R . mbind2.R . nameAlnum.R . nonDuplicated.R . normalizeNames.R . notin.R . paste0date.R . pasteDate.R . r2rmd.R . reclass.R . redistribute.R . sum_by.R . zzz.R .  Full mefa4 package functions and examples
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