Description Usage Arguments Value Examples
Creates a sparse pairwise distance matrix of a coordinate set
1 | PWMatrix(Coords)
|
Coords |
- Two-dimensional array of longitudinal and latitudinal coordinates output from CoordCollapse() function |
Returns a sparse pairwise distance matrix of great circle distances between pairs of points
1 2 3 4 | longs<-runif(10,-22,33)
lats<-runif(10,-22,33)
Coords<-CoordCollapse(longs,lats)
PWMatrix(Coords)
|
X1 X2 X3 X4 X5 X6 X7 X8
1 NA 2612.523 945.5816 3504.901 1090.023 3983.505 4213.4879 3996.4831
2 NA NA 3212.3247 5966.259 2318.781 3052.908 3210.3373 3715.8267
3 NA NA NA 2754.539 1010.441 3756.918 3985.2612 3535.1911
4 NA NA NA NA 3692.556 5735.574 5925.8948 5076.1026
5 NA NA NA NA NA 2920.215 3151.1724 2909.6077
6 NA NA NA NA NA NA 231.0143 965.0705
7 NA NA NA NA NA NA NA 1033.3848
8 NA NA NA NA NA NA NA NA
9 NA NA NA NA NA NA NA NA
10 NA NA NA NA NA NA NA NA
X9 X10
1 4064.834 5830.611
2 4422.293 7250.157
3 3387.413 4890.923
4 4343.493 3628.302
5 3054.120 5230.003
6 1975.932 5104.495
7 2049.705 5155.317
8 1017.303 4139.575
9 NA 3135.231
10 NA NA
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