search for: sample_m

Displaying 1 result from an estimated 1 matches for "sample_m".

Did you mean: sample_1
2009 Jul 23
1
Help with Loop!
...or your help! ## Generate a linearly separable data set in R2 sample <- as.data.frame(cbind(runif(n=100),runif(n=100))) sample$Y <- ifelse(sample$V1>sample$V2,1,-1) ## Plot data; attach(sample) plot(V1, V2, type="p", pch=Y,main="Sample Data") ##Perceptron algorithm sample_m <- as.matrix(sample) w <- c(0,0); b <- 0; k <- 0; nu <- 1e-3 R <- max(sqrt(V1^2+V2^2)) repeat { for (i in 1:nrow(sample_m)){ if (sample_m[i,3]*(t(w)%*%sample_m[i,1:2] + b) <= 0) w <- w + nu*sample_m[i,3]*sample_m[i,1:2] b <- b +nu*sample_m[i,3]*...