peaks {simecol} | R Documentation

## Find Peaks Within xy-Data

### Description

The function returns maxima (values which have only smaller neighbours) and minima (values which have only larger neighbours).

### Usage

    peaks(x, y=NULL, mode="maxmin")

### Arguments

`x, y` | the coordinates of given points.
`mode` | specifies if both maxima and minima (`mode="maxmin"`) or only maxima (`mode="max"`) or minima (`mode="min"`) are requested.

### Value

A list with x and y coordinates of all peaks.

### See Also

`approx`, `upca`

### Examples

    x <- sin(seq(0, 10, 0.1))
    plot(x)
    points(peaks(x), col="red", pch=15)

[Package simecol version 0.6-9 Index]