> # create formula (without comma index on column names) fm <-
> as.formula(paste("resp ~", paste(colnames(mydata)[1:3110],
> collapse="+")))
>
> # call neuralnet
> out <- neuralnet(fm,data=mydata, hidden = 4, lifesign = "minimal",
> linear.output = FALSE, threshold = 0.1)
Does neuralnet not recognise '.'? If it does and if you include resp in the
data frame, you could drastically simplify the formula, to just resp~. That is:
out <- neuralnet(resp~. , data=cbind(resp, mydata), hidden = 4, lifesign =
"minimal",
linear.output = FALSE, threshold = 0.1)
S Ellison
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