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R To PMML

KNIME R-Project nodes version 4.0.0.v201905311239 by KNIME AG, Zurich, Switzerland

Converts a given R object, e.g. as generated by the R Learner node as knime.model, into a corresponding PMML object that can then be used together with all KNIME predictors supporting PMML. The R object is first loaded into a new R workspace and then converted into PMML (using the PMML library in R). The toString() method in R is used to generate a character stream describing the PMML object which is written to the PMML out-port.

More details about R and PMML:
R project
PMML standard

Options

R Snippet

R Script: The code being executed in R. Input model should be previously made available in the R workspace as knime.model, while the desired output must be a string named knime.model.pmml.
Flow Variable List: The list contains the flow variables that are currently available at the node input. Double clicking any of the entries will insert the variable at the current cursor position.

Input Ports

: R object generated by a R node

Output Ports

: PMML object

Views

R Std Output: The text sent to standard out during the execution of R executable as well as the text of the .Rout file generated by R.
R Error Output: The text sent to standard error during the execution of R executable as well as the text of the .Rout file generated by R. (If it appears in gray, it's the output of a previously failing run which is preserved for your trouble shooting.)

Installation

To use this node in KNIME, install KNIME R-Project nodes from the following update site:

KNIME 4.0

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