Decision Stream into Neo4j

POC Decision Stream creator and traverser with rules

This project requires Neo4j 3.4.x or higher

Instructions

This project uses maven, to build a jar-file with the procedure in this project, simply package the project with maven:

mvn clean package

This will produce a jar-file, target/branches-1.0-SNAPSHOT.jar, that can be copied to the plugin directory of your Neo4j instance.

cp target/branches-1.0-SNAPSHOT.jar neo4j-enterprise-3.4.9/plugins/.

Download and Copy two additional files to your Neo4j plugins directory:

http://central.maven.org/maven2/org/codehaus/janino/commons-compiler/3.0.8/commons-compiler-3.0.8.jar
http://central.maven.org/maven2/org/codehaus/janino/janino/3.0.8/janino-3.0.8.jar

Restart your Neo4j Server.

Create the Schema by running this stored procedure:

CALL com.maxdemarzi.schema.generate

Then create a Tree:

CALL com.maxdemarzi.decision_tree.create('credit', '/Users/maxdemarzi/Documents/Projects/branches/training.csv', '/Users/maxdemarzi/Documents/Projects/branches/answers.csv', 0.02)

Try it:

CALL com.maxdemarzi.decision_tree.traverse('credit', {RevolvingUtilizationOfUnsecuredLines:'0.7661', Age:'45', Late30to59Days:'2', DebtRatio:'0.803', MonthlyIncome:'9120',OpenCreditLinesAndLoans:'13', Late90Days:'0',RealEstateLoans:'6', Late60to89Days:'0', Dependents:'2'});
CALL com.maxdemarzi.decision_tree.traverse('credit', {RevolvingUtilizationOfUnsecuredLines:'0.9572', Age:'40', Late30to59Days:'20', DebtRatio:'0.1219', MonthlyIncome:'2600',OpenCreditLinesAndLoans:'4', Late90Days:'0',RealEstateLoans:'0', Late60to89Days:'0', Dependents:'1'});

TODO: Rollup the nodes that are the same into multi-select Rule Nodes.