[R] Two issues: WEKA code in R // Probability Estimation Tree algorithms

Hi everyone, this email basically pursues two distinct main goals. I appreciate any help! First of all I was wondering if there is any possibility to get WEKA files (coded in Java) to run in R respectively RWeka. I first considered if it was possible with the Weka_interface implemented in RWe

[R] J48 - contrasts can be applied only to factors with 2 or more levels

Hi everybody, I recently sent out a first message using this tool and was astonished about the quick and helpful replys. So, thank you in advance for your help, I really appreciate that! As already recently mentioned I am new to using R as I have to implement some decision trees with R respect

[R] J48 / Transform from numeric to nominal

Hi everyone, I am new to field of data mining as well as particularly using R respectively RWeka for writing my master thesis. I intend to create some specific J48 classification trees with the RWeka_classifiers_tree function. When I run the source code it says “cannot handle numeric class”. I