sub-sub-oce-method: Extract Something From an oce Object

Description Usage Arguments Examples

Description

The named item is sought first in metadata, where an exact match to the name is required. If it is not present in the metadata slot, then a partial-name match is sought in the data slot. Failing both tests, an exact-name match is sought in a field named dataNamesOriginal in the object's metadata slot, if that field exists. Failing that, NULL is returned.

To get information on the specialized variants of this function, type e.g. ?"[[,adv-method" for information on extracting data from an object of adv-class.

Usage

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## S4 method for signature 'oce'
x[[i, j, ...]]

Arguments

x

An oce object

i

The item to extract.

j

Optional additional information on the i item.

...

Optional additional information (ignored).

Examples

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data(ctd)
ctd[["longitude"]] # in metadata
head(ctd[["salinity"]]) # in data
data(section)
summary(section[["station", 1]])


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