oce (version 0.9-18)

[[<-,oce-method: Change Something Within an oce Object

Description

This is a base function that can be used to change items in the metadata or data slot of an object of the oce-class. See Details for the case in which both slots contain an item of the given name.

The first step is to an item of the indicated name. First, it is sought in the metadata slot, and if it is found there, then that value is altered. If it is not found there, it is sought in the data slot and modified there.

Usage

## S3 method for class 'oce':
[[(x, i, j, ...) <- value

Arguments

x

An oce object.

i

The item to extract.

j

Optional additional information on the i item.

...

Optional additional information (ignored).

value

The value to be inserted into x.

Examples

data(ctd)
summary(ctd)
# Move the CTD profile a nautical mile north,
ctd[["latitude"]] <- 1/60 + ctd[["latitude"]] # in metadata
# Increase the salinity by 0.01.
ctd[["salinity"]] <- 0.01 + ctd[["salinity"]] # in data
summary(ctd)