Description Usage Arguments Details Value Examples
Calculates the Haversine distance between two points
1 | dtHaversine(latFrom, lonFrom, latTo, lonTo, tolerance = 1e+09)
|
latFrom |
latitude |
lonFrom |
longitude |
latTo |
latitude |
lonTo |
latitude |
tolerance |
numeric. See details |
tolerance
- Floating-point precision can sometimes lead to the
situation 'sqrt(1 - 1.00000001)', which will introduce NAs into the result.
The tolerance value is used in 'ifelse(a > 1 & a <= tolerance, 1, a)'
distance in metres
1 2 3 4 5 6 |
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