as_distance: Distance in kilometers or miles between two locations based...

Description Usage Arguments Value Examples

View source: R/transform.R

Description

Distance in kilometers or miles between two locations based on lat-long Function based on http://www.movable-type.co.uk/scripts/latlong.html. Uses the haversine formula

Usage

1
2
as_distance(lat1, long1, lat2, long2, unit = "km", R = c(km = 6371,
  miles = 3959)[[unit]])

Arguments

lat1

Latitude of location 1

long1

Longitude of location 1

lat2

Latitude of location 2

long2

Longitude of location 2

unit

Measure kilometers ("km", default) or miles ("miles")

R

Radius of the earth

Value

Distance between two points

Examples

1
2
as_distance(32.8245525,-117.0951632, 40.7033127,-73.979681, unit = "km")
as_distance(32.8245525,-117.0951632, 40.7033127,-73.979681, unit = "miles")

radiant-rstats/radiant.data documentation built on Nov. 13, 2018, 6:57 a.m.