subset,echosounder-method {oce} | R Documentation |
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.
## S4 method for signature 'echosounder' subset(x, subset, ...)
x |
a |
subset |
a condition to be applied to the |
... |
ignored. |
A new echosounder
object.
Dan Kelley
Other things related to echosounder
data: [[,echosounder-method
,
[[<-,echosounder-method
,
as.echosounder
,
echosounder-class
,
echosounder
, findBottom
,
plot,echosounder-method
,
read.echosounder
,
summary,echosounder-method
library(oce) data(echosounder) plot(echosounder) plot(subset(echosounder, depth < 10)) plot(subset(echosounder, time < mean(range(echosounder[['time']]))))