Re: [R] e1071 - tuning is not giving the best within the range

2012-08-19 Thread Mark Leeds
Hi: I can't go into all the details ( Lutz Hamel has a very nice intro book for SVM's and I wouldn't do the details justice anyway ) but the objective function in an SVM is maximizing the margin ( think of the margin as the amount of seperation between the 2 classes in a 2 class problem ). The obje

[R] e1071 - tuning is not giving the best within the range

2012-08-19 Thread delf
Hi everybody, I am new in e1071 and with SVMs. I am trying to understand the performance of SVMs but I face with a situation that I thought as not meaningful. I added the R code for you to see what I have done. /set.seed(1234) data <- data.frame( rbind(matrix(rnorm(1500, mean = 10, sd = 5),ncol