Column-wise true/false value {Rfast}

Column-wise true/false value of a matrix

Description

Column-wise true/false value of a matrix.

Usage

colTrue(x)
colFalse(x)
colTrueFalse(x)

Arguments

x

A logical matrix with data.

Value

An integer vector where item "i" is the number of the true/false values of "i" column.

Author(s)

Manos Papadakis

R implementation and documentation: Manos Papadakis <[e-mail]>.

See Also

rowMins, rowFalse, nth, colrange, colMedians, colVars, colSort, rowSort, rowTrue

Examples

x <- matrix(as.logical(rbinom(100*100,1,0.5)),100,100)

s1 <- colTrue(x) 

s1 <- colFalse(x)  

s1 <- colTrueFalse(x)

x<-s1<-NULL