4_Examples
This directory contains 8 workflows.
01_Spark_MLlib_Decision_Tree
This workflow demonstrates the usage of the Spark MLlib Decision Tree Learner and Spark Predictor. It also demonstrates the conversion of categorical […]
02_Mass_Learning_Event_Prediction_MLlib_to_PMML
This workflow demonstrates the usage of the Spark MLlib to PMML node. Together with the Compiled Model Predictor and the JSON Input/Output node it can be […]
03_PMML_to_Spark_Comprehensive_Mode_Learning_Mass_Prediction
This workflow demonstrates the usage of the Spark Compiled Model Predictor node which converts a given PMML model into machine code and uses the compiled […]
04_Parameter_Optimization_in_Spark
This workflow mixes standard KNIME nodes with the Spark nodes to find the optimal parameters for a k-means clustering using the hillclimbing approach. Other […]
05_Hive_to_Spark_to_Hive
This workflow demonstrates the usage of the Hive to Spark and Spark to Hive nodes that allow you to transfer data between Apache Spark and Apache […]
06_Modularized_Spark_Scripting
This workflow demonstrates the usage of the different Spark Java Snippet nodes to read a text file from HDFS, parse it, filter it and write the result back […]
07_SparkSQL_meets_HiveQL
This workflow builds a line plot of the age distribution for men and women in Maine (US) over the last 5 years. In particular, women's data is processed […]
09_Big_Data_Irish_Meter_on_Spark_only
This workflow uses a portion of the Irish Energy Meter dataset, and presents a simple analysis based on the whitepaper "Big Data, Smart Energy, and […]