tow.number: Extract Tow Number

In TobieSurette/gulf.data: Southern Gulf of St Lawrence Data Access

Extract Tow Number

Description

Functions to extract or determine trawl tow numbers.

Usage

tow.number(x, ...)

## Default S3 method:
tow.number(x, ...)

## S3 method for class 'data.frame'
tow.number(x, ...)

Arguments

x	Data object.
...	Not used.
method	Character string specifying the method to be used when determining the tow identification number for a probe object. Available methods are ‘time’ and ‘latlong’.
max.distance	Numeric valiue specifying the maximum distance tolerance (in kilometers) when determining the tow identification number for a probe object from lat-lon coordinates.

Methods (by class)

• tow.number(default): Default 'tow.number' method.

• tow.number(data.frame): Default 'tow.number' method.

Methods

tow.number

Generic tow.number method.

tow.number.default

Default tow.number method.

tow.number.probe

Determine tow ID for a probe object.

TobieSurette/gulf.data documentation built on Jan. 19, 2025, 7:50 p.m.