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PMML in KNIME KOS Days 2013
PMML in KNIME
KOS Days 2013
Who am I?
• Alexander Fillbrunn • Student at University of Konstanz • Research assistant since October 2012 • Primarily working on PMML nodes
KOS Days 2013
PMML – what is it?
• PredicNve Model Markup Language • XML-‐based open file format • Developed by the Data Mining Group • Supported by SPSS, SAS, R and many more • Describes models and data transformaNons – Regression, SVM, Decision Trees, Ensembles, ... – NormalizaNon, DiscreNzaNon, Type conversion, ...
KOS Days 2013
PMML Preprocessing
KOS Days 2013
• Preprocessing steps are documented in PMML
• Model learned on preprocessed data is exported including transformaNons
PMML Ensembles
• PMML Ensemble Loop End – Collects models and creates an ensemble
• PMML Ensemble Predictor – Predicts new data with an ensemble model
KOS Days 2013
Work in Progress
• JPMML Predictor – General PMML predictor based on the open source library JPMML
• PMML TransformaNons Merger – Merges transformaNons from different preprocessing nodes
KOS Days 2013
DEMO
