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> ################################################################################
> ##
> ## $Id: prob.matrix.test.R 346 2006-10-01 05:08:55Z enos $
> ##
> ## Tests that ".prob.matrix" correctly forms probabilities from a matrix of
> ## distances
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> ## save(truth, file = "prob.matrix.test.RData", compress = TRUE)
> 
> load("prob.matrix.test.RData")
> 
> ## tests that the match.matrix matches the values with the highest
> ## probabilities
> 
> ## sets all the values of i to a low probability
> 
> set.seed(1)
> distances <- matrix(abs(rnorm(30, sd = .30)),
+                     nrow = 5,
+                     ncol = 6,
+                     dimnames = list(1:5, letters[1:6])
+             )
> 
> ## sets letter "a" to have a high probability of being chosen
> 
> test <- portfolio:::.prob.matrix(distances)
> 
> stopifnot(
+           all.equal(truth, test)
+           )
> 
> proc.time()
   user  system elapsed 
   0.37    0.12    0.43