@Override
public ExampleSetMetaData applyOnFilteredMetaData(ExampleSetMetaData metaData) {
for (AttributeMetaData amd : metaData.getAllAttributes()) {
if (amd.isNumerical() && !amd.isSpecial()) {
Range range = amd.getValueRange();
amd.setValueRange(
new Range(0, Math.max(Math.abs(range.getLower()), Math.abs(range.getUpper()))),
amd.getValueSetRelation());
amd.getMean().setUnkown();
}
}
return metaData;
}
@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;
}