Simulated Cross Data
A 500 by 3 matrix in which the first column is the classification and the remaining columns are two data from a simulation of two crossed elliptical Gaussians.
data(cross)
# This dataset was created as follows n <- 250 set.seed(0) cross <- rbind(matrix(rnorm(n*2), n, 2) %*% diag(c(1,9)), matrix(rnorm(n*2), n, 2) %*% diag(c(1,9))[,2:1]) cross <- cbind(c(rep(1,n),rep(2,n)), cross)
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