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Java NominalMapping.mapString方法代码示例

本文整理汇总了Java中com.rapidminer.example.table.NominalMapping.mapString方法的典型用法代码示例。如果您正苦于以下问题：Java NominalMapping.mapString方法的具体用法？Java NominalMapping.mapString怎么用？Java NominalMapping.mapString使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.rapidminer.example.table.NominalMapping的用法示例。


在下文中一共展示了NominalMapping.mapString方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getTargetAttributes

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
@Override
public Attributes getTargetAttributes(ExampleSet parentSet) {
	SimpleAttributes attributes = new SimpleAttributes();
	// add special attributes to new attributes
	Iterator<AttributeRole> specialRoles = parentSet.getAttributes().specialAttributes();
	while (specialRoles.hasNext()) {
		attributes.add(specialRoles.next());
	}

	// add regular attributes
	for (Attribute attribute : parentSet.getAttributes()) {
		if (!attribute.isNumerical() || !attributeNames.contains(attribute.getName())) {
			attributes.addRegular(attribute);
		} else {
			// create nominal mapping
			SortedSet<Tupel<Double, String>> ranges = rangesMap.get(attribute.getName());
			if (ranges.size() > 1) {
				NominalMapping mapping = new PolynominalMapping();
				for (Tupel<Double, String> rangePair : ranges) {
					mapping.mapString(rangePair.getSecond());
				}
				// giving new attributes old name: connection to rangesMap
				attributes.addRegular(new ViewAttribute(this, attribute, attribute.getName(), Ontology.POLYNOMINAL,
						mapping));
			}
		}
	}
	return attributes;
}
开发者ID:transwarpio，项目名称:rapidminer，代码行数:30，代码来源:DiscretizationModel.java

示例2: createBinominalValueAttribute

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
private Attribute createBinominalValueAttribute(Attribute attribute, String value) {
	NominalMapping mapping = new BinominalMapping();
	mapping.mapString("false");
	mapping.mapString("true");
	// giving new attributes old name_value
	String newName = createAttributeName(attribute.getName(), value);
	Attribute newAttribute = new ViewAttribute(this, attribute, newName, Ontology.BINOMINAL, mapping);
	binominalAttributeValueMap.put(newAttribute, (double) attribute.getMapping().mapString(value));
	return newAttribute;
}
开发者ID:transwarpio，项目名称:rapidminer，代码行数:11，代码来源:NominalToBinominalModel.java

示例3: getTargetAttributes

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
@Override
public Attributes getTargetAttributes(ExampleSet parentSet) {
	SimpleAttributes attributes = new SimpleAttributes();
	// add special attributes to new attributes
	Iterator<AttributeRole> specialRoles = parentSet.getAttributes().specialAttributes();
	while (specialRoles.hasNext()) {
		attributes.add(specialRoles.next());
	}

	// add regular attributes
	for (Attribute attribute : parentSet.getAttributes()) {
		if (!attribute.isNumerical() || !attributeNames.contains(attribute.getName())) {
			attributes.addRegular(attribute);
		} else {
			// create nominal mapping
			SortedSet<Tupel<Double, String>> ranges = rangesMap.get(attribute.getName());
			if (ranges.size() > 1) {
				NominalMapping mapping = new PolynominalMapping();
				for (Tupel<Double, String> rangePair : ranges) {
					mapping.mapString(rangePair.getSecond());
				}
				// giving new attributes old name: connection to rangesMap
				attributes.addRegular(
						new ViewAttribute(this, attribute, attribute.getName(), Ontology.POLYNOMINAL, mapping));
			}
		}
	}
	return attributes;
}
开发者ID:rapidminer，项目名称:rapidminer-studio，代码行数:30，代码来源:DiscretizationModel.java

示例4: getTargetAttributes

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
public Attributes getTargetAttributes(ExampleSet parentSet) {
	SimpleAttributes attributes = new SimpleAttributes();
	// add special attributes to new attributes
	Iterator<AttributeRole> specialRoles = parentSet.getAttributes().specialAttributes();
	while (specialRoles.hasNext()) {
		attributes.add(specialRoles.next());
	}
	
	// add regular attributes
	for (Attribute attribute : parentSet.getAttributes()) {
		if (!attribute.isNumerical() || !attributeNames.contains(attribute.getName())) {
			attributes.addRegular(attribute);
		} else {
			// create nominal mapping
			SortedSet<Tupel<Double, String>> ranges = rangesMap.get(attribute.getName());
			if (ranges.size() > 1) {
				NominalMapping mapping = new PolynominalMapping();
				for (Tupel<Double, String> rangePair : ranges) {
					mapping.mapString(rangePair.getSecond());
				}
				// giving new attributes old name: connection to rangesMap
				attributes.addRegular(new ViewAttribute(this, attribute, attribute.getName(), Ontology.POLYNOMINAL, mapping));
			}
		}
	}
	return attributes;
}
开发者ID:rapidminer，项目名称:rapidminer-5，代码行数:28，代码来源:DiscretizationModel.java

示例5: apply

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
@Override
public ExampleSet apply(ExampleSet exampleSet) throws OperatorException {
	Attribute attribute = exampleSet.getAttributes().get(getParameterAsString(PARAMETER_ATTRIBUTE_NAME));

	// some checks
	if (attribute == null) {
		throw new AttributeNotFoundError(this, PARAMETER_ATTRIBUTE_NAME, getParameterAsString(PARAMETER_ATTRIBUTE_NAME));
	}
	if (!attribute.isNominal()) {
		throw new UserError(this, 119, new Object[] { attribute.getName(), this.getName() });
	}

	String newValue = getParameterAsString(PARAMETER_NEW_VALUE);

	if (attribute instanceof BinominalAttribute) {
		Attribute newAttribute = AttributeFactory.createAttribute(Ontology.NOMINAL);
		ExampleTable table = exampleSet.getExampleTable();
		table.addAttribute(newAttribute);

		NominalMapping originalMapping = attribute.getMapping();
		NominalMapping newMapping = newAttribute.getMapping();
		for (int i = 0; i < originalMapping.size(); i++) {
			newMapping.mapString(originalMapping.mapIndex(i));
		}
		newAttribute.getMapping().mapString(newValue);

		for (Example example : exampleSet) {
			example.setValue(newAttribute, example.getValue(attribute));
		}

		exampleSet.getAttributes().addRegular(newAttribute);
		AttributeRole role = exampleSet.getAttributes().getRole(attribute);

		exampleSet.getAttributes().remove(attribute);

		newAttribute.setName(attribute.getName());
		if (role.isSpecial()) {
			exampleSet.getAttributes().setSpecialAttribute(newAttribute, role.getSpecialName());
		}
	} else {
		attribute.getMapping().mapString(newValue);
	}

	return exampleSet;
}
开发者ID:transwarpio，项目名称:rapidminer，代码行数:46，代码来源:AddNominalValue.java

示例6: createExampleSet

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
@Override
public ExampleSet createExampleSet() throws OperatorException {
	// init
	int numberOfExamples = getParameterAsInt(PARAMETER_NUMBER_EXAMPLES);
	int numberOfAttributes = getParameterAsInt(PARAMETER_NUMBER_OF_ATTRIBUTES);
	int numberOfValues = getParameterAsInt(PARAMETER_NUMBER_OF_VALUES);
	if (numberOfValues < 2) {
		logWarning("Less than 2 different values used, change to '2'.");
		numberOfValues = 2;
	}
	getProgress().setTotal(numberOfAttributes + numberOfExamples);

	// create mapping once, clone for each attribute
	NominalMapping mapping = new PolynominalMapping();
	int type = Ontology.NOMINAL;
	for (int v = 0; v < numberOfValues; v++) {
		mapping.mapString("value" + v);
	}

	// create table
	List<Attribute> attributes = new LinkedList<Attribute>();
	for (int m = 0; m < numberOfAttributes; m++) {
		Attribute current = AttributeFactory.createAttribute("att" + (m + 1), type);
		current.setMapping((NominalMapping) mapping.clone());
		attributes.add(current);

		getProgress().step();
	}
	Attribute label = AttributeFactory.createAttribute("label", Ontology.NOMINAL);
	label.getMapping().mapString("negative");
	label.getMapping().mapString("positive");
	attributes.add(label);

	ExampleSetBuilder builder = ExampleSets.from(attributes).withExpectedSize(numberOfExamples);

	// create data
	RandomGenerator random = RandomGenerator.getRandomGenerator(this);
	for (int n = 0; n < numberOfExamples; n++) {
		double[] features = new double[numberOfAttributes];
		for (int a = 0; a < features.length; a++) {
			features[a] = random.nextIntInRange(0, numberOfValues);
		}
		double[] example = features;
		if (label != null) {
			example = new double[numberOfAttributes + 1];
			System.arraycopy(features, 0, example, 0, features.length);
			if (features.length >= 2) {
				example[example.length - 1] = features[0] == 0 || features[1] == 0
						? label.getMapping().mapString("positive") : label.getMapping().mapString("negative");
			} else if (features.length == 1) {
				example[example.length - 1] = features[0] == 0 ? label.getMapping().mapString("positive")
						: label.getMapping().mapString("negative");
			} else {
				example[example.length - 1] = label.getMapping().mapString("positive");
			}
		}
		builder.addRow(example);

		getProgress().step();
	}

	getProgress().complete();

	// create example set and return it
	return builder.withRole(label, Attributes.LABEL_NAME).build();
}
开发者ID:rapidminer，项目名称:rapidminer-studio，代码行数:67，代码来源:NominalExampleSetGenerator.java

示例7: apply

import com.rapidminer.example.table.NominalMapping; //导入方法依赖的package包/类
@Override
public ExampleSet apply(ExampleSet exampleSet) throws OperatorException {		 
	Attribute attribute = exampleSet.getAttributes().get(getParameterAsString(PARAMETER_ATTRIBUTE_NAME));

	// some checks
	if (attribute == null) {
		throw new UserError(this, 111, getParameterAsString(PARAMETER_ATTRIBUTE_NAME));
	}
	if (!attribute.isNominal()) {
		throw new UserError(this, 119, new Object[] { attribute.getName(), this.getName() });
	}

	String newValue = getParameterAsString(PARAMETER_NEW_VALUE);

	if (attribute instanceof BinominalAttribute) {
		Attribute newAttribute = AttributeFactory.createAttribute(Ontology.NOMINAL);
		ExampleTable table = exampleSet.getExampleTable();
		table.addAttribute(newAttribute);

		NominalMapping originalMapping = attribute.getMapping();
		NominalMapping newMapping = newAttribute.getMapping();
		for (int i = 0; i < originalMapping.size(); i++) {
			newMapping.mapString(originalMapping.mapIndex(i));
		}
		newAttribute.getMapping().mapString(newValue);

		for (Example example: exampleSet) {
			example.setValue(newAttribute, example.getValue(attribute));
		}

		exampleSet.getAttributes().addRegular(newAttribute);
		AttributeRole role = exampleSet.getAttributes().getRole(attribute); 

		exampleSet.getAttributes().remove(attribute);
		
		newAttribute.setName(attribute.getName());
		if (role.isSpecial()) {
			exampleSet.getAttributes().setSpecialAttribute(newAttribute, role.getSpecialName());
		}
	}  else {
		attribute.getMapping().mapString(newValue);
	}

	return exampleSet;
}
开发者ID:rapidminer，项目名称:rapidminer-5，代码行数:46，代码来源:AddNominalValue.java


注：本文中的com.rapidminer.example.table.NominalMapping.mapString方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。