View source: R/distance_haversine.R
| distance_haversine | R Documentation | 
compute distance in km between two points: http://en.wikipedia.org/wiki/Haversine_formula
distance_haversine(lat1, lon1, lat2, lon2, r = 6378.137)
lat1 | 
 latitude of the first geographical location in decimal degrees (WGS84)  | 
lon1 | 
 longitude of the first geographical location in decimal degrees (WGS84)  | 
lat2 | 
 latitude of the second geographical location in decimal degrees (WGS84)  | 
lon2 | 
 longitude of the second geographical location in decimal degrees (WGS84)  | 
r | 
 earth diameter at the equator in km  | 
a numeric value of the distance between the two points in km
distance_haversine(43.5279, 1.5009, 42.8504, -0.4333)
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