Questions tagged [c5.0]

37 questions
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C5.0 algorithm not working due to logical factor, solutions?

This question has been asked before, however it was not answered in a way that solved my problem. The question was also slightly different. I am trying to build a decision tree model using the c5 package. I am trying to predict if MMA fighters have…
Kilian Murphy
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C5.0 gives back only a single leaf

I'm doing a data analysis task in SPSS Modeler and I have finally arrived to the point of the stream where I'm trying to fit some models on the data. However when I tried to run the mentioned c5.0 modeling node on my data, the node generated a…
Newl
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R-C50: Definition of minCases in C5.0Control

The parameter minCases of the function C5.0Control in the C50 R package is defined as: an integer for the smallest number of samples that must be put in at least two of the splits. How is this implemented? I assume that split in this context…
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Unable to execute C50 algorithm

I am working with C50 package and I can not execute the algorithm, for now the two basic thing: dataset without nulls and factor for variable 'credit$default'. I am wondering what is wrong. The message after executing this code is: c50 code called…
A89
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R : from rpart prediction to a single line result

I am learning R at the moment I am trying to compare results between different methods C5.0 and rpart the C5.0 returns like [1] L R B L R B R R R R R L L B R R R L L L L B R R R L R R B B L B B L L R L R R R L R R B R L R R R L [51] L B R L R R L…
asmgx
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Error while building decision tree using C5.0 in R language

Here, I am predicting the type of glass based on its chemical content.chemical contents are input which are of numeric type(Ri,Na etc) and type of glass is output(Typec) which is factor.After building model using C5.0 I am getting error like…
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How does c5.0() choose decision and root nodes?

I am learning Decision Tree method for machine learning. Right now, the most important piece of code I use is c5. 0. Got to admit, it is a genius' work. But i couldn't understand how it chooses the root and decision nodes. Example: I have a database…
HydraCc
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