search for: weka_tree

Displaying 2 results from an estimated 2 matches for "weka_tree".

2008 Jun 17
1
Decision Trees RWeka
Hello, I have a question concerning decision trees coming from RWeka : library(RWeka) m =J48(Species~.,data=iris) How could such a decision tree be transferred into a matrix, pretty much in the same fashion, as it is done by getTree() in library(ofw) library(ofw) data(srbct) attach(srbct) ##ofwCART learn.cart.keep <- ofw(srbct,
2011 Nov 13
1
libary(Rweka) J48 design tree
Hello everybody I'm having some difficulties to design the decision tree algorithm J48. I am using the following code and when I run it gives me the following message plot(m1) Error in plot.Weka_tree(m1) : Plotting of trees with multi-way splits is currently not implemented. #The code library(RWeka) library(randomForest) library(party) if(require(mlbench, quietly = TRUE) && require(party, quietly = TRUE)) m1 <- J48(income2 ~ age+workclass+native.country, data = dataset) m1 plot...