R: distHaversine function not delivering expected results

Asked Nov 27 '19 at 17:53

Active Nov 27 '19 at 17:53

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I am using distHaversine function to find the distance between the Vatican and a list of German cities.

mutate(kita_fees_df, distance = distHaversine(cbind(Longitude, Latitude), cbind(40.5409, 12.2709)))

regional_schlÃ.ssel city_kreis  Latitude    Longitude   distance
01002                  Kiel     10.13727    54.321775   2183273

When I use a distance calculator I find that the distance should be around 1540 kilometers. Am I using this function properly?1

asked Nov 27 '19 at 17:53

Collective Action

1

I am not able to reproduce your problem. `distHaversine(cbind(54.321775, 10.13727), cbind(40.5409, 12.2709))/1000` returns 1523 km. – Dave2e Nov 27 '19 at 19:32
Thank you, this is helpful! I'm going to take another look at my data. – Collective Action Nov 27 '19 at 19:47
1

Also check this answer https://stackoverflow.com/questions/36110815/how-to-use-disthaversine-function – Tony Ladson Nov 27 '19 at 20:10
I solved the problem: strings were being imported as factors. – Collective Action Nov 27 '19 at 20:33

0 Answers0