Dear Friends,
  Coordinate  is common in geology/spatial science. There are
latitude/longitude coordinate, x/y coordinate,......... It maybe easy for
all of you, but difficult for persons without  the background knowledge of
geology, so they can't do the correct analysis with different coordinate,.
In my opinion, it's very important to make clear on it and its application
with R,  can anybody with excellent knowledge obout it  give some guide on
using it with R?
For different coordinate,
A:
latitude    longitude   attribute

B:
x   y   attribute

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Kind Regards,

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