subset.echosounder {oce}R Documentation

Subset an echosounder object

Description

Subset an echosounder object

Usage

## S4 method for signature 'echosounder'
subset(x, subset, ...)

Arguments

x

a echosounder object.

subset

a condition to be applied to the data portion of x. See ‘Details’.

...

ignored.

Details

This function is somewhat analogous to subset.data.frame. Subsetting can be by time or depth, but these may not be combined; use a sequence of calls to subset by both.

Value

A new echosounder object.

Author(s)

Dan Kelley

Examples

library(oce)
data(echosounder)
plot(echosounder)
plot(subset(echosounder, depth < 10))
plot(subset(echosounder, time < mean(range(echosounder[['time']]))))

[Package oce version 0.9-18 Index]