use of org.dmg.pmml.PMMLDocument in project knime-core by knime.
the class PMMLRegressionModelWrapper method createPMMLDocument.
/**
* {@inheritDoc}
*/
@Override
public PMMLDocument createPMMLDocument(final DataDictionary dataDict) {
PMMLDocument doc = createEmptyDocument(dataDict);
doc.getPMML().setRegressionModelArray(new RegressionModel[] { m_model });
return doc;
}
use of org.dmg.pmml.PMMLDocument in project knime-core by knime.
the class DataColumnSpecFilterPMMLNodeModel method createPMMLOut.
private PMMLPortObject createPMMLOut(final PMMLPortObject pmmlIn, final DataTableSpec outSpec, final FilterResult res) throws XmlException {
StringBuffer warningBuffer = new StringBuffer();
if (pmmlIn == null) {
return new PMMLPortObject(createPMMLSpec(null, outSpec, res));
} else {
PMMLDocument pmmldoc;
try (LockedSupplier<Document> supplier = pmmlIn.getPMMLValue().getDocumentSupplier()) {
pmmldoc = PMMLDocument.Factory.parse(supplier.get());
}
// Inspect models to check if they use any excluded columns
List<PMMLModelWrapper> models = PMMLModelWrapper.getModelListFromPMMLDocument(pmmldoc);
for (PMMLModelWrapper model : models) {
MiningSchema ms = model.getMiningSchema();
for (MiningField mf : ms.getMiningFieldList()) {
if (isExcluded(mf.getName(), res)) {
if (warningBuffer.length() != 0) {
warningBuffer.append("\n");
}
warningBuffer.append(model.getModelType().name() + " uses excluded column " + mf.getName());
}
}
}
ArrayList<String> warningFields = new ArrayList<String>();
PMML pmml = pmmldoc.getPMML();
// Now check the transformations if they exist
if (pmml.getTransformationDictionary() != null) {
for (DerivedField df : pmml.getTransformationDictionary().getDerivedFieldList()) {
FieldRef fr = df.getFieldRef();
if (fr != null && isExcluded(fr.getField(), res)) {
warningFields.add(fr.getField());
}
Aggregate a = df.getAggregate();
if (a != null && isExcluded(a.getField(), res)) {
warningFields.add(a.getField());
}
Apply ap = df.getApply();
if (ap != null) {
for (FieldRef fieldRef : ap.getFieldRefList()) {
if (isExcluded(fieldRef.getField(), res)) {
warningFields.add(fieldRef.getField());
break;
}
}
}
Discretize d = df.getDiscretize();
if (d != null && isExcluded(d.getField(), res)) {
warningFields.add(d.getField());
}
MapValues mv = df.getMapValues();
if (mv != null) {
for (FieldColumnPair fcp : mv.getFieldColumnPairList()) {
if (isExcluded(fcp.getField(), res)) {
warningFields.add(fcp.getField());
}
}
}
NormContinuous nc = df.getNormContinuous();
if (nc != null && isExcluded(nc.getField(), res)) {
warningFields.add(nc.getField());
}
NormDiscrete nd = df.getNormDiscrete();
if (nd != null && isExcluded(nd.getField(), res)) {
warningFields.add(nd.getField());
}
}
}
DataDictionary dict = pmml.getDataDictionary();
List<DataField> fields = dict.getDataFieldList();
// Apply filter to spec
int numFields = 0;
for (int i = fields.size() - 1; i >= 0; i--) {
if (isExcluded(fields.get(i).getName(), res)) {
dict.removeDataField(i);
} else {
numFields++;
}
}
dict.setNumberOfFields(new BigInteger(Integer.toString(numFields)));
pmml.setDataDictionary(dict);
pmmldoc.setPMML(pmml);
// generate warnings and set as warning message
for (String s : warningFields) {
if (warningBuffer.length() != 0) {
warningBuffer.append("\n");
}
warningBuffer.append("Transformation dictionary uses excluded column " + s);
}
if (warningBuffer.length() > 0) {
setWarningMessage(warningBuffer.toString().trim());
}
PMMLPortObject outport = null;
try {
outport = new PMMLPortObject(createPMMLSpec(pmmlIn.getSpec(), outSpec, res), pmmldoc);
} catch (IllegalArgumentException e) {
if (res.getIncludes().length == 0) {
throw new IllegalArgumentException("Excluding all columns produces invalid PMML", e);
} else {
throw e;
}
}
return outport;
}
}
use of org.dmg.pmml.PMMLDocument in project knime-core by knime.
the class RuleEngine2PortsNodeModel method computeRearrangerWithPMML.
/**
* @param spec
* @param rules
* @param flowVars
* @param ruleIdx
* @param outcomeIdx
* @param confidenceIdx
* @param weightIdx
* @param validationIdx
* @param outputColumnName
* @return
* @throws InterruptedException
* @throws InvalidSettingsException
*/
private Pair<ColumnRearranger, PortObject> computeRearrangerWithPMML(final DataTableSpec spec, final RowInput rules, final Map<String, FlowVariable> flowVars, final int ruleIdx, final int outcomeIdx, final int confidenceIdx, final int weightIdx, final int validationIdx, final String outputColumnName) throws InterruptedException, InvalidSettingsException {
PortObject po;
ColumnRearranger ret;
PMMLDocument doc = PMMLDocument.Factory.newInstance();
final PMML pmmlObj = doc.addNewPMML();
RuleSetModel ruleSetModel = pmmlObj.addNewRuleSetModel();
RuleSet ruleSet = ruleSetModel.addNewRuleSet();
List<DataType> outcomeTypes = new ArrayList<>();
PMMLRuleParser parser = new PMMLRuleParser(spec, flowVars);
int lineNo = 0;
DataRow ruleRow;
while ((ruleRow = rules.poll()) != null) {
++lineNo;
DataCell rule = ruleRow.getCell(ruleIdx);
CheckUtils.checkSetting(!rule.isMissing(), "Missing rule in row: " + ruleRow.getKey());
if (rule instanceof StringValue) {
StringValue ruleText = (StringValue) rule;
String r = ruleText.getStringValue().replaceAll("[\r\n]+", " ");
if (RuleSupport.isComment(r)) {
continue;
}
if (outcomeIdx >= 0) {
r += " => " + m_settings.asStringFailForMissing(ruleRow.getCell(outcomeIdx));
}
ParseState state = new ParseState(r);
try {
PMMLPredicate condition = parser.parseBooleanExpression(state);
SimpleRule simpleRule = ruleSet.addNewSimpleRule();
setCondition(simpleRule, condition);
state.skipWS();
state.consumeText("=>");
state.skipWS();
Expression outcome = parser.parseOutcomeOperand(state, null);
simpleRule.setScore(outcome.toString());
if (confidenceIdx >= 0) {
DataCell confidenceCell = ruleRow.getCell(confidenceIdx);
if (!confidenceCell.isMissing()) {
if (confidenceCell instanceof DoubleValue) {
DoubleValue dv = (DoubleValue) confidenceCell;
double confidence = dv.getDoubleValue();
simpleRule.setConfidence(confidence);
}
}
}
if (weightIdx >= 0) {
DataCell weightCell = ruleRow.getCell(weightIdx);
boolean missing = true;
if (!weightCell.isMissing()) {
if (weightCell instanceof DoubleValue) {
DoubleValue dv = (DoubleValue) weightCell;
double weight = dv.getDoubleValue();
simpleRule.setWeight(weight);
missing = false;
}
}
if (missing && m_settings.isHasDefaultWeight()) {
simpleRule.setWeight(m_settings.getDefaultWeight());
}
}
CheckUtils.checkSetting(outcome.isConstant(), "Outcome is not constant in line " + lineNo + " (" + ruleRow.getKey() + ") for rule: " + rule);
outcomeTypes.add(outcome.getOutputType());
} catch (ParseException e) {
ParseException error = Util.addContext(e, r, lineNo);
throw new InvalidSettingsException("Wrong rule in line: " + ruleRow.getKey() + "\n" + error.getMessage(), error);
}
} else {
CheckUtils.checkSetting(false, "Wrong type (" + rule.getType() + ") of rule: " + rule + "\nin row: " + ruleRow.getKey());
}
}
ColumnRearranger dummy = new ColumnRearranger(spec);
if (!m_settings.isReplaceColumn()) {
dummy.append(new SingleCellFactory(new DataColumnSpecCreator(outputColumnName, RuleEngineNodeModel.computeOutputType(outcomeTypes, computeOutcomeType(rules.getDataTableSpec()), true, m_settings.isDisallowLongOutputForCompatibility())).createSpec()) {
@Override
public DataCell getCell(final DataRow row) {
return null;
}
});
}
PMMLPortObject pmml = createPMMLPortObject(doc, ruleSetModel, ruleSet, parser, dummy.createSpec());
po = pmml;
m_copy = copy(pmml);
String predictionConfidenceColumn = m_settings.getPredictionConfidenceColumn();
if (predictionConfidenceColumn == null || predictionConfidenceColumn.isEmpty()) {
predictionConfidenceColumn = RuleEngine2PortsSettings.DEFAULT_PREDICTION_CONFIDENCE_COLUMN;
}
ret = PMMLRuleSetPredictorNodeModel.createRearranger(pmml, spec, m_settings.isReplaceColumn(), outputColumnName, m_settings.isComputeConfidence(), DataTableSpec.getUniqueColumnName(dummy.createSpec(), predictionConfidenceColumn), validationIdx);
return Pair.create(ret, po);
}
use of org.dmg.pmml.PMMLDocument in project knime-core by knime.
the class PMMLRuleEditorNodeModel method createRearrangerAndPMMLModel.
private RearrangerAndPMMLModel createRearrangerAndPMMLModel(final DataTableSpec spec) throws ParseException, InvalidSettingsException {
final PMMLDocument doc = PMMLDocument.Factory.newInstance();
final PMML pmml = doc.addNewPMML();
RuleSetModel ruleSetModel = pmml.addNewRuleSetModel();
RuleSet ruleSet = ruleSetModel.addNewRuleSet();
PMMLRuleParser parser = new PMMLRuleParser(spec, getAvailableInputFlowVariables());
ColumnRearranger rearranger = createRearranger(spec, ruleSet, parser);
PMMLPortObject ret = new PMMLPortObject(createPMMLPortObjectSpec(rearranger.createSpec(), parser.getUsedColumns()));
// if (inData[1] != null) {
// PMMLPortObject po = (PMMLPortObject)inData[1];
// TransformationDictionary dict = TransformationDictionary.Factory.newInstance();
// dict.setDerivedFieldArray(po.getDerivedFields());
// ret.addGlobalTransformations(dict);
// }
PMMLRuleTranslator modelTranslator = new PMMLRuleTranslator();
ruleSetModel.setFunctionName(MININGFUNCTION.CLASSIFICATION);
ruleSet.setDefaultConfidence(defaultConfidenceValue());
PMMLMiningSchemaTranslator.writeMiningSchema(ret.getSpec(), ruleSetModel);
PMMLDataDictionaryTranslator ddTranslator = new PMMLDataDictionaryTranslator();
ddTranslator.exportTo(doc, ret.getSpec());
modelTranslator.initializeFrom(doc);
ret.addModelTranslater(modelTranslator);
ret.validate();
return new RearrangerAndPMMLModel(rearranger, ret);
}
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