search for: hafsa

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2011 Jul 08
0
R-help: need help in obtaining training data and predictions for neural networks
...the results of my code. But I need something better for testing in my project. I have searched a few links for conferences or workshops for these datasets and their predictions, but they are not available open source. Can someone please help me with a link, or guide me where to look? Thanks, Hafsa -- View this message in context: http://r.789695.n4.nabble.com/R-help-need-help-in-obtaining-training-data-and-predictions-for-neural-networks-tp3653691p3653691.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]]
2011 Jun 30
0
help with interpreting what nnet() output gives:
...ts, and values of 'value'. But how do you calculate the number of weights in nnet, say, if you are feeding it an MxN inputs dataframe (i.e. M observations, each having N inputs, like the iris dataset has M=150 and N=4), and getting, say, x number of outputs for each observation? Thank you, Hafsa The code I used is from the Package nnet pdf:(nneds nnet package loaded) # use half the iris data ir <- rbind(iris3[,,1],iris3[,,2],iris3[,,3]) targets <- class.ind( c(rep("s", 50), rep("c", 50), rep("v", 50)) ) samp <- c(sample(1:50,25), sample(51:100,25),...