search for: gtm_gbf

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Did you mean: gtm_bi
2010 Mar 31
2
Generative Topographic Map
...L <- 3 X <- matrix(nrow=nrow(T),ncol=3,byrow=TRUE) MU <- matrix(nrow=round(nrow(T)/5), ncol=L) for(i in 1:ncol(X)) { for(j in 1:nrow(X)) { X[j,i] <- RANDU() } } for(i in 1:ncol(MU)) { for(j in 1:nrow(MU)) { MU[j,i] <- RANDU() } } sigma <-1 FI <- gtm_gbf(MU,sigma,X) W <- gtm_ri(T,FI) Y= FI%*%W b = gtm_bi(Y) lambda <- 0.001 for (m in 1:15) { trnResult = gtm_trn(T, FI, W, lambda, 1, b, 2,quiet = TRUE, minSing = 0.01) W = trnResult$W b = trnResult$beta Y = FI %*% W } I ran the above script on my own data representing 1969...