Subset a sealevel Object

This function is somewhat analogous to subset.data.frame(), but subsetting is only permitted by time.

Usage

# S4 method for class 'sealevel'
subset(x, subset, ...)

Arguments

x

a sealevel object.

subset

a condition to be applied to the data portion of x.

...

ignored.

Value

A new sealevel object.

See also

Other things related to sealevel data: [[,sealevel-method, [[<-,sealevel-method, as.sealevel(), plot,sealevel-method, read.sealevel(), sealevel, sealevel-class, sealevelTuktoyaktuk, summary,sealevel-method

Other functions that subset oce objects: subset,adp-method, subset,adv-method, subset,amsr-method, subset,argo-method, subset,cm-method, subset,coastline-method, subset,ctd-method, subset,echosounder-method, subset,lobo-method, subset,met-method, subset,oce-method, subset,odf-method, subset,rsk-method, subset,section-method, subset,topo-method, subset,xbt-method

Author

Dan Kelley

Examples

library(oce)
data(sealevel)
plot(sealevel)

plot(subset(sealevel, time < mean(range(sealevel[["time"]]))))