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Results tagged with distance
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user 6205
The measure of separation between two entities or locations that may or may not be connected, such as two points.
8
votes
1
answer
2k
views
Appropriate distance metric for spatial clustering of geographic coordinates
I can then imagine two ways forward:
Using the great circle distance for the distance metric. … Converting the geographic coordinates to an equally-scaled projection and then finding the Euclidean distance. …
- 501
4
votes
1
answer
2k
views
Correct use of the terms geographic, path, and Euclidean distance
I often use the terms geographic and Euclidean distance interchangeably when referring to the length of the shortest straight-line distance between two points on a map. Is this correct? … And, if the "distance" between two points is a weighted function of the path distance (as it may be in, say, a least-cost distance) what would the generic term be for this type of metric? …
- 501
6
votes
Accepted
Appropriate distance metric for spatial clustering of geographic coordinates
distance) when points are up to 2000 km apart (axes are in metres). … (xyLcc)))
## Find the Euclidean distance matrix of the geographic coordinates
xyDist3 <- as.matrix(dist(xyLatLon))
Plots of the elements of these three distance matrices are shown below. …
- 501