search for: plantdist

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2010 Jul 16
1
discrepancy matrix
...each pair ( a pair is a combination , made of different colours (zB. 2,3 or 2,6)). (343-678)+(1503-1701) = -533 ( if my explanation is too bad, you can look up for a equivalent example on this page:http://www.stat.lsa.umich.edu/~bbh/optmatch/doc/optmatch.pdf ( on page 5)) I tried this code: plantdist<-round(outer(rank(' date')[as.logical('colour')],rank(' date')[!as.logical('colour')], FUN = function(X, Y) { abs(X - Y) }) + outer(rank( 'number ')[as.logical('colour')], rank( 'number ')[!as.logical('colour')], FUN = function...