whichInterval {eyelinker}

From a set of intervals, find which interval values belong to

Description

Returns which interval (if any) each number in a vector belongs to, given a set of user-defined intervals. Intervals can be specified using either two-column matrices or Intervals objects from the intervals package.

Usage

whichInterval(x, Intv)

which_interval(x, Intv)

Arguments

x

A vector of numeric values

Intv

A two-column matrix or an object of class Intervals

Value

For each value in x: if x[i] is in the set of intervals, the index of the corresponding interval(s), NA if no interval contains x[i]

Author(s)

Simon Barthelme

See Also

%In%

Examples

start <- c(0, 1, 2)
end <- c(.5, 1.3, 3)
intv <- cbind(start, end) # The first interval is 0-0.5, second is 1-1.3, etc.
whichInterval(seq(0, 3, l = 10), intv)