nearestReftoX {edgeR} | R Documentation

## Find Nearest Element of Reference for each Element of X

### Description

Find nearest element of a sorted reference vector and to each element of x.

### Usage

    nearestReftoX(x, reference, ...)

### Arguments

`x` | numeric vector.
`reference` | numeric vector, sorted in increasing order.
`...` | other arguments as passed to `findInterval`.

### Details

This function finds the element of a reference table (`reference`) that is closest to each element of an incoming vector (`x`).

The function is a simple wrapper for `findInterval` in the base package. It calls `findInterval` with `vec` equal to the mid-points between the reference values.

### Value

Integer vector giving indices of elements of `reference`.

### Author(s)

Gordon Smyth

### See Also

`findInterval`

### Examples

    nearestReftoX(c(-10,0.5,0.6,2,3), reference = c(-1,0,2))

[Package edgeR version 3.24.3 Index]