[R] how to convert indvidual pairwise distances to matrix

[Daniel Malter]

what should your matrix look like? do you mean something like this?

p1=c(1,1,2,2)
p2=c(1,2,1,2)
d=c(0,4,4,0)

cbind(p1,p2,d)

d2=matrix(d,length(d)/2,length(d)/2)
d2 

Cheers,
Daniel


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cuncta stricte discussurus
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Von: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] Im
Auftrag von skinny c
Gesendet: Sunday, November 09, 2008 7:11 PM
An: r-help at r-project.org
Betreff: [R] how to convert indvidual pairwise distances to matrix

Hello,
I am trying to convert list of pairwise distances to a distance matrix for
spatial analysis (kriging). For instance, I have something like this for
each pair pf points, and I want to convert it to a matrix:

point1    point2    distance
1              1            0
1              2            4
2              2            0
2              1            4

Please let me know if there is a function or method that can do this.

Thanks,
Christy

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