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

# S4 method for 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

Examples

library(oce) data(sealevel) plot(sealevel)
plot(subset(sealevel, time < mean(range(sealevel[['time']]))))