本文整理匯總了Java中com.rapidminer.example.table.NominalMapping.clear方法的典型用法代碼示例。如果您正苦於以下問題：Java NominalMapping.clear方法的具體用法？Java NominalMapping.clear怎麽用？Java NominalMapping.clear使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.rapidminer.example.table.NominalMapping的用法示例。
在下文中一共展示了NominalMapping.clear方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: mergeValues
import com.rapidminer.example.table.NominalMapping; //導入方法依賴的package包/類
private void mergeValues(ExampleSet exampleSet, Attribute attribute, String firstValue, String secondValue)
throws OperatorException {
Attribute newAttribute = AttributeFactory.createAttribute(attribute, "merged");
// clone is necessary here!
NominalMapping mapping = (NominalMapping) attribute.getMapping().clone();
mapping.clear();
newAttribute.setMapping(mapping);
exampleSet.getExampleTable().addAttribute(newAttribute);
exampleSet.getAttributes().addRegular(newAttribute);
double first = attribute.getMapping().mapString(firstValue);
double second = attribute.getMapping().mapString(secondValue);
String firstPlusSecondString = firstValue + "_" + secondValue;
Iterator<Example> reader = exampleSet.iterator();
while (reader.hasNext()) {
Example example = reader.next();
double value = example.getValue(attribute);
if (Double.isNaN(value)) {
example.setValue(newAttribute, Double.NaN);
} else if (value == first || value == second) {
example.setValue(newAttribute, newAttribute.getMapping().mapString(firstPlusSecondString));
} else {
example.setValue(newAttribute,
newAttribute.getMapping().mapString(attribute.getMapping().mapIndex((int) value)));
}
checkForStop();
}
exampleSet.getAttributes().remove(attribute);
newAttribute.setName(attribute.getName());
}
示例2: mergeValues
import com.rapidminer.example.table.NominalMapping; //導入方法依賴的package包/類
private void mergeValues(ExampleSet exampleSet, Attribute attribute, String firstValue, String secondValue) throws OperatorException {
Attribute newAttribute = AttributeFactory.createAttribute(attribute, "merged");
// clone is necessary here!
NominalMapping mapping = (NominalMapping) attribute.getMapping().clone();
mapping.clear();
newAttribute.setMapping(mapping);
exampleSet.getExampleTable().addAttribute(newAttribute);
exampleSet.getAttributes().addRegular(newAttribute);
double first = attribute.getMapping().mapString(firstValue);
double second = attribute.getMapping().mapString(secondValue);
String firstPlusSecondString = firstValue + "_" + secondValue;
Iterator<Example> reader = exampleSet.iterator();
while (reader.hasNext()) {
Example example = reader.next();
double value = example.getValue(attribute);
if (Double.isNaN(value)) {
example.setValue(newAttribute, Double.NaN);
} else if ((value == first) || (value == second))
example.setValue(newAttribute, newAttribute.getMapping().mapString(firstPlusSecondString));
else
example.setValue(newAttribute, newAttribute.getMapping().mapString(attribute.getMapping().mapIndex((int) value)));
checkForStop();
}
exampleSet.getAttributes().remove(attribute);
newAttribute.setName(attribute.getName());
}