which.closest {MQMF}

which.closest find a number in a vector closest to a given value

Description

which.closest finds either the number in a vector which is closest to the input value or its index value

Usage

which.closest(x, invect, index = TRUE)

Arguments

x

the value to lookup

invect

the vector in which to lookup the value x

index

should the index be returned or the closest value; default=TRUE

Value

by default it returns the index in the vector of the value closest to the input value x

Examples

vals <- rnorm(100,mean=5,sd=2)
pick <- which.closest(5.0,vals,index=TRUE) #closest to 5?
pick        # the index of the closest
vals[pick]  # its value
which.closest(5.0,vals,index=FALSE) # straight to the value