bdc_country_from_coordinates: Get country names from coordinates

In brunobrr/bdc: Biodiversity Data Cleaning

Get country names from coordinates

Description

Country names derived from valid geographic coordinates are added to records missing country names.

Usage

bdc_country_from_coordinates(
  data,
  lat = "decimalLatitude",
  lon = "decimalLongitude",
  country = "country"
)

Arguments

data	data.frame. Containing geographical coordinates and country names.
lat	character string. The column name with latitude in decimal degrees and WGS84. Default = "decimalLatitude".
lon	character string. The column with longitude in decimal degrees and WGS84. Default = "decimalLongitude".
country	character string. The column name with the country assignment of each record. Default = "country". If no column name is provided a new column "country" is created.

Details

This function assigns a country name for records missing such information. Country names are extracted from valid geographic coordinates using a high-quality map of the world (rnaturalearth package). No country name is added to records whose coordinates are in the sea.

Value

A tibble containing country names for records missing such information.

Examples

## Not run: 
x <- data.frame(
  decimalLatitude = c(-22.9834, -39.857030, -17.06811, -46.69778),
  decimalLongitude = c(-69.095, -68.443588, 37.438108, -13.82444),
  country = c("", NA, NA, "Brazil"))

bdc_country_from_coordinates(
  data = x,
  lat = "decimalLatitude",
  lon = "decimalLongitude",
  country = "country"
)

## End(Not run)

brunobrr/bdc documentation built on Nov. 21, 2024, 4:18 a.m.