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matrixStats (version 0.2.1)

Methods that apply to rows and columns of a matrix

Description

This packages provides methods operating on rows and columns of matrices. The methods are optimized for speed and memory. This package is currently in a beta phase. Make sure to read the 'Roadmap' section in the package help.

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Version

Install

install.packages('matrixStats')

Monthly Downloads

240,817

Version

0.2.1

License

Artistic-2.0

Maintainer

Henrik Bengtsson

Last Published

April 5th, 2010

Functions in matrixStats (0.2.1)

indexByRow

Translates matrix indices by rows into indices by columns
rowSds

Standard deviation estimates for each row (column) in a matrix
rowMedians

Calculates the median for each row (column) in a matrix
rowCounts

Counts the number of TRUE values in each row (column) of a matrix
rowTabulates

Tabulates the values in a matrix by row (column)
rowProds

Calculates the product for each row (column) in a matrix
rowOrderStats

Gets an order statistic for each row (column) in a matrix
rowWeightedMeans.matrix

Calculates the weighted means for each row (column) in a matrix
rowVars

Variance estimates for each row (column) in a matrix
anyMissing

Checks if there are any missing values in an object or not
rowWeightedMedians.matrix

Calculates the weighted medians for each row (column) in a matrix
rowDiffs

Calculates difference for each row (column) in a matrix
rowQuantiles

Estimates quantiles for each row (column) in a matrix
varDiff

Estimation of discrepancies off sequential order differences in a vector
matrixStats-package

Package matrixStats
rowRanges

Gets the range of values in each row (column) of a matrix
rowCollapse

Extracts one cell per row (column) from a matrix