@Override
protected ExampleSetMetaData modifyMetaData(ExampleSetMetaData exampleSetMetaData)
throws UndefinedParameterError {
AttributeMetaData label = exampleSetMetaData.getLabelMetaData();
if (label != null) {
if (label.isNumerical() && getParameterAsDouble(PARAMETER_LABEL_NOISE) > 0) {
label.setValueSetRelation(SetRelation.SUPERSET);
}
}
double defaultNoise = getParameterAsDouble(PARAMETER_DEFAULT_ATTRIBUTE_NOISE);
if (defaultNoise > 0) {
for (AttributeMetaData amd : exampleSetMetaData.getAllAttributes()) {
if (!amd.isSpecial()) {
if (amd.isNumerical()) {
amd.setValueSetRelation(SetRelation.SUPERSET);
}
}
}
}
int numberOfRandomAttributes = getParameterAsInt(PARAMETER_RANDOM_ATTRIBUTES);
for (int i = 0; i < numberOfRandomAttributes; i++) {
AttributeMetaData amd =
new AttributeMetaData("random" + ((i == 0) ? "" : i + ""), Ontology.REAL);
amd.setValueRange(
new Range(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY), SetRelation.SUBSET);
exampleSetMetaData.addAttribute(amd);
}
return exampleSetMetaData;
}
@Override
protected MetaData modifyMetaData(ExampleSetMetaData metaData) throws UndefinedParameterError {
AttributeMetaData amd =
metaData.getAttributeByName(getParameterAsString(PARAMETER_ATTRIBUTE_NAME));
if (amd != null) {
AttributeMetaData newAttribute = amd.clone();
newAttribute.setType(Ontology.DATE_TIME);
newAttribute.getMean().setUnkown();
newAttribute.setValueSetRelation(SetRelation.UNKNOWN);
if (!getParameterAsBoolean(PARAMETER_KEEP_OLD_ATTRIBUTE)) metaData.removeAttribute(amd);
else newAttribute.setName(newAttribute.getName() + "_AS_DATE");
metaData.addAttribute(newAttribute);
}
return metaData;
}
@Override
protected Collection<AttributeMetaData> modifyAttributeMetaData(
ExampleSetMetaData emd, AttributeMetaData amd) throws UndefinedParameterError {
amd.setValueSetRelation(SetRelation.SUBSET);
return Collections.singleton(amd);
}