closest: Approximate Matching

In rmngb: Miscellaneous Collection of Functions for Medical Data Analysis

Description

These function provide different utilities to perform approximate matching of numbers.

Usage

closest(x, y, tol = +Inf)

Arguments

x	numeric scalar. Value to be approximatly matched.
y	numeric vector of values to be matched with x.
tol	numeric scalar giving the maximum difference in absolute value to perform a match.

Details

Proximity is calculated by the absolute value of the difference.

Value

closest returns a logical vector the same length as y, TRUE for the closest match(es) within tol bounds and FALSE otherwise.

Author(s)

Antoine Filipovic Pierucci

See Also

match.

Examples

ref <- seq(1:5)
closest(2.8, ref)
closest(2.5, ref, .1) # no match because of lower tolerance

rmngb documentation built on May 29, 2017, 9:22 p.m.