guess_coordinate_columns: Guess longitude and latitude columns in a data frame
In ggOceanMaps: Plot Data on Oceanographic Maps using 'ggplot2'

guess_coordinate_columns

R Documentation

Guess longitude and latitude columns in a data frame

An internal function to make basemap code more readable

guess_coordinate_columns(data, lon = NULL, lat = NULL)

`data`	Dataframe containing data for which the limits should be calculated.
`lon`, `lat`	Character defining the name of the longitude and latitude columns in `data`. Use `NULL` to guess the longitude and/or latitude columns in `x`.

This is an internal function, which is automatically run by the basemap function.

A named vector of colummn names.

Mikko Vihtakari