is.monotone {tdROC}R Documentation

Check monotonicity

Description

This internel function determines if a numeric vector X is monotone (increasing or decreasing) or not. Ties in the sequence are considered as monotone.

Usage

is.monotone(X)

Arguments

X

a numerical vector to be tested.

Value

Returns True or False.

Examples


a <- 1:10 ;
b <- c( 1:5, 4:2 ) ;
c <- c( 1:4, 4, 4, 4, 5:10 ) ;
d <- c( 10:6, 3:-2 ) ;

is.monotone( a )
is.monotone( b )
is.monotone( c )
is.monotone( d )


[Package tdROC version 1.0 Index]