Question
Copy and run the codes in your RStudio and answer questions below. You may need to install package e1071. set.seed(1) x = matrix(rnorm(20*2), ncol =2)
Copy and run the codes in your RStudio and answer questions below. You may need to install package e1071.
set.seed(1) x = matrix(rnorm(20*2), ncol =2) y = c(rep(-1,10), rep(1,10) ) x[y==1,] = x[y==1,] + 1 dat=data.frame(x=x, y=as.factor(y)) library (e1071) svm1 = svm(y~., data=dat, kernel="linear", cost=10, scale=FALSE ) plot(svm1, dat) svm1$index(a) How many support vectors are there? (b) Change the cost parameter to cost=1. How many support vectors now?
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Economics
Authors: Roger A. Arnold
12th edition
978-1305758674, 1305758676, 978-1285738321
