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PMML in KNIME KOS Days 2013

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Page 1: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

PMML in KNIME

KOS Days 2013

Page 2: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

Who am I?

•  Alexander Fillbrunn •  Student at University of Konstanz •  Research assistant since October 2012 •  Primarily working on PMML nodes

KOS Days 2013

Page 3: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

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

Page 4: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

PMML Preprocessing

KOS Days 2013

•  Preprocessing steps are documented in PMML

•  Model learned on preprocessed data is exported including transformaNons

Page 5: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

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

Page 6: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

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

Page 7: PMML$in$KNIME$ · PDF filePMML$Preprocessing$ KOS$Days$2013$ • Preprocessing$steps$are$documented$in$ PMML$ • Model$learned$on$preprocessed$datais$ exported$including$transformaons$

DEMO

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