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matrixStats (version 0.1.5)

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

241,359

Version

0.1.5

License

Artistic-2.0

Maintainer

Henrik Bengtsson

Last Published

June 14th, 2009

Functions in matrixStats (0.1.5)

rowVars

Variance estimates for each row (column) in a matrix
matrixStats-package

Package matrixStats
rowWeightedMeans.matrix

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

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

Checks if there are any missing values in an object or not
rowOrderStats

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

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

Gets the range of values in each row (column) of 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
rowProds

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

Estimation of discrepancies off sequential order differences in a vector
indexByRow

Translates matrix indices by rows into indices by columns
rowQuantiles

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

Extracts one cell per row (column) from a matrix
rowSds

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

Calculates difference for each row (column) in a matrix