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matrixStats (version 0.5.2)

Methods that apply to rows and columns of a matrix

Description

This packages provides methods operating on rows and columns of matrices. The objective is to have all methods being optimized for speed and memory consumption.

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Version

Install

install.packages('matrixStats')

Monthly Downloads

1,109,627

Version

0.5.2

License

Artistic-2.0

Maintainer

Henrik Bengtsson

Last Published

July 3rd, 2012

Functions in matrixStats (0.5.2)

rowCounts

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

Calculates the weighted means for each row (column) in a matrix
matrixStats-package

Package matrixStats
rowMedians

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

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

Weighted Median Absolute Deviation (MAD)
rowWeightedMedians.matrix

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

Estimation of discrepancies based on sequential order differences in a vector
rowOrderStats

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

Extracts one cell per row (column) from a matrix
rowAvgsPerColSet.matrix

Applies a row-by-row (column-by-column) averaging function to equally-sized subsets of matrix columns (rows)
rowQuantiles

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

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

Weighted Median Value
rowIQRs

Estimates of the interquartile range for each row (column) in a matrix
rowRanks

Gets the rank of each row (column) of a matrix
rowVars

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

Translates matrix indices by rows into indices by columns
anyMissing

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

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

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

Tabulates the values in a matrix by row (column)