mat.sort: Sort a Matrix According to a Specified Column

In BioPhysConnectoR: BioPhysConnectoR

Description

Sorts a matrix in respect to one or more specified columns by preserving its row context. If more than one columns is given the function uses the columns in the specified order for sorting.

Usage

mat.sort(mat, sort, decreasing = FALSE)

Arguments

mat	matrix to be sorted
sort	column indices
decreasing	logical, if TRUE the column is ordered decreasingly

Value

Returns the sorted matrix.

Author(s)

Franziska Hoffgaard

Examples

mat<-matrix(data = as.integer(runif(16, 1, 20)), nrow = 4)

#Sort the matrix in respect to the second column of mat
m<-mat.sort(mat, 2)

#Sorting mat according to more than one column
mat<-matrix(data = c(rep(3, 3), as.integer(runif(13, 1, 20))), nrow = 4)
m1<-mat.sort(mat, c(1, 2))
m2<-mat.sort(mat, c(2, 1))

Example output

Loading required package: snow
Loading required package: matrixcalc

BioPhysConnectoR documentation built on May 30, 2017, 6:46 a.m.