[R] Error - PMML Conversion of a Random-Forest Model using the randomForest Package

Karthiko S karthik.100 at gmail.com
Mon Mar 12 20:11:30 CET 2018

Hi All,

I am trying to convert random forest model developed into a pmml file.
randomForest package was used to build the model. The input to the model is
in the form of a matrix (term frequency matrix used for text analytics).
While i try to convert the model into a pmml file  an error pops.

Error in names (field$class) <-var.names
attempt to set an attribute on NULL

Would be great if anyone could please help me in over-coming this error.

Thanks and Regards

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