R: Peaks

peaks {RSEIS} | R Documentation

## Peaks

### Description

Find peak amplitudes in a time series signal.

### Usage

    peaks(series, span = 3, do.pad = TRUE)

### Arguments

`series` | signal
`span` | span for window
`do.pad` | padding

### Details

This function originated in a note from Brian Ripley.

### Value

vector of peak indexes

### Author(s)

Brian Ripley

### Examples

    data(CE1)
    plot(CE1$x, CE1$y, type='l')

    pp <- seq(from=53, to=80, by=1)

    plot(CE1$x[pp], CE1$y[pp], type='l')

    aa <- peaks(CE1$y[pp], span=3)

    abline(v=CE1$x[pp[aa]], col='red')

[Package RSEIS version 3.7-4 Index]