本文整理汇总了Java中weka.core.StringLocator类的典型用法代码示例。如果您正苦于以下问题：Java StringLocator类的具体用法？Java StringLocator怎么用？Java StringLocator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
StringLocator类属于weka.core包，在下文中一共展示了StringLocator类的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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: copyValues
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Copies string/relational values contained in the instance copied to a new
* dataset. The Instance must already be assigned to a dataset. This
* dataset and the destination dataset must have the same structure.
*
* @param instance the Instance containing the string/relational
* values to copy.
* @param isInput if true the input format and input attribute
* locators are used otherwise the output format
* and output locators
*/
protected void copyValues(Instance instance, boolean isInput) {
RelationalLocator.copyRelationalValues(
instance,
(isInput) ? m_InputFormat : m_OutputFormat,
(isInput) ? m_InputRelAtts : m_OutputRelAtts);
StringLocator.copyStringValues(
instance,
(isInput) ? m_InputFormat : m_OutputFormat,
(isInput) ? m_InputStringAtts : m_OutputStringAtts);
}
开发者ID:dsibournemouth，
项目名称:autoweka，
代码行数:24，
代码来源:Filter.java
示例2: setInputFormat
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Sets the format of the input instances.
*
* @param instanceInfo an Instances object containing the input
* instance structure (any instances contained in the object are
* ignored - only the structure is required).
* @return true if the outputFormat may be collected immediately
* @throws Exception if the input format can't be set
* successfully
*/
public boolean setInputFormat(Instances instanceInfo)
throws Exception {
if (instanceInfo.attribute(1).type()!=Attribute.RELATIONAL) {
throw new Exception("Can only handle relational-valued attribute!");
}
super.setInputFormat(instanceInfo);
m_NumBags = instanceInfo.numInstances();
m_NumInstances = 0;
for (int i=0; i<m_NumBags; i++)
if (instanceInfo.instance(i).relationalValue(1) == null) {
m_NumInstances++;
} else {
m_NumInstances += instanceInfo.instance(i).relationalValue(1).numInstances();
}
Attribute classAttribute = (Attribute) instanceInfo.classAttribute().copy();
Attribute bagIndex = (Attribute) instanceInfo.attribute(0).copy();
/* create a new output format (propositional instance format) */
Instances newData = instanceInfo.attribute(1).relation().stringFreeStructure();
newData.insertAttributeAt(bagIndex, 0);
newData.insertAttributeAt(classAttribute, newData.numAttributes());
newData.setClassIndex(newData.numAttributes() - 1);
super.setOutputFormat(newData.stringFreeStructure());
m_BagStringAtts = new StringLocator(instanceInfo.attribute(1).relation().stringFreeStructure());
m_BagRelAtts = new RelationalLocator(instanceInfo.attribute(1).relation().stringFreeStructure());
return true;
}
开发者ID:williamClanton，
项目名称:jbossBA，
代码行数:44，
代码来源:MultiInstanceToPropositional.java
示例3: setInputFormat
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Sets the format of the input instances.
*
* @param instanceInfo an Instances object containing the input
* instance structure (any instances contained in the object are
* ignored - only the structure is required).
* @return true if the outputFormat may be collected immediately
* @throws Exception if the input format can't be set
* successfully
*/
public boolean setInputFormat(Instances instanceInfo)
throws Exception {
if (instanceInfo.attribute(0).type()!= Attribute.NOMINAL) {
throw new Exception("The first attribute type of the original propositional instance dataset must be Nominal!");
}
super.setInputFormat(instanceInfo);
/* create a new output format (multi-instance format) */
Instances newData = instanceInfo.stringFreeStructure();
Attribute attBagIndex = (Attribute) newData.attribute(0).copy();
Attribute attClass = (Attribute) newData.classAttribute().copy();
// remove the bagIndex attribute
newData.deleteAttributeAt(0);
// remove the class attribute
newData.setClassIndex(-1);
newData.deleteAttributeAt(newData.numAttributes() - 1);
FastVector attInfo = new FastVector(3);
attInfo.addElement(attBagIndex);
attInfo.addElement(new Attribute("bag", newData)); // relation-valued attribute
attInfo.addElement(attClass);
Instances data = new Instances("Multi-Instance-Dataset", attInfo, 0);
data.setClassIndex(data.numAttributes() - 1);
super.setOutputFormat(data.stringFreeStructure());
m_BagStringAtts = new StringLocator(data.attribute(1).relation());
m_BagRelAtts = new RelationalLocator(data.attribute(1).relation());
return true;
}
开发者ID:williamClanton，
项目名称:jbossBA，
代码行数:43，
代码来源:PropositionalToMultiInstance.java
示例4: addBag
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* adds a new bag out of the given data and adds it to the output
*
* @param input the intput dataset
* @param output the dataset this bag is added to
* @param bagInsts the instances in this bag
* @param bagIndex the bagIndex of this bag
* @param classValue the associated class value
* @param bagWeight the weight of the bag
*/
protected void addBag(
Instances input,
Instances output,
Instances bagInsts,
int bagIndex,
double classValue,
double bagWeight) {
// copy strings/relational values
for (int i = 0; i < bagInsts.numInstances(); i++) {
RelationalLocator.copyRelationalValues(
bagInsts.instance(i), false,
input, m_InputRelAtts,
bagInsts, m_BagRelAtts);
StringLocator.copyStringValues(
bagInsts.instance(i), false,
input, m_InputStringAtts,
bagInsts, m_BagStringAtts);
}
int value = output.attribute(1).addRelation(bagInsts);
Instance newBag = new Instance(output.numAttributes());
newBag.setValue(0, bagIndex);
newBag.setValue(2, classValue);
newBag.setValue(1, value);
if (!m_DoNotWeightBags) {
newBag.setWeight(bagWeight);
}
newBag.setDataset(output);
output.add(newBag);
}
开发者ID:williamClanton，
项目名称:jbossBA，
代码行数:43，
代码来源:PropositionalToMultiInstance.java
示例5: convertInstance
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Convert a single bag over. The converted instances is
* added to the end of the output queue.
*
* @param bag the bag to convert
*/
private void convertInstance(Instance bag) {
Instances data = bag.relationalValue(1);
int bagSize = 1;
if (data != null) {
bagSize = data.numInstances();
}
double bagIndex = bag.value(0);
double classValue = bag.classValue();
double weight = 0.0;
//the proper weight for each instance in a bag
if (m_WeightMethod == WEIGHTMETHOD_1)
weight = 1.0;
else if (m_WeightMethod == WEIGHTMETHOD_INVERSE1)
weight = (double) 1.0 / bagSize;
else if (m_WeightMethod == WEIGHTMETHOD_INVERSE2)
weight=(double) m_NumInstances / (m_NumBags * bagSize);
else
weight = (double) bag.weight() / bagSize;
Instance newInst;
Instances outputFormat = getOutputFormat().stringFreeStructure();
for (int i = 0; i < bagSize; i++) {
newInst = new Instance(outputFormat.numAttributes());
newInst.setDataset(outputFormat);
newInst.setValue(0,bagIndex);
if (!bag.classIsMissing())
newInst.setClassValue(classValue);
// copy the attribute values to new instance
for (int j = 1; j < outputFormat.numAttributes() - 1; j++){
if (data == null) {
newInst.setMissing(j);
} else {
newInst.setValue(j,data.instance(i).value(j - 1));
}
}
newInst.setWeight(weight);
// copy strings/relational values
StringLocator.copyStringValues(
newInst, false,
data, m_BagStringAtts,
outputFormat, m_OutputStringAtts);
RelationalLocator.copyRelationalValues(
newInst, false,
data, m_BagRelAtts,
outputFormat, m_OutputRelAtts);
push(newInst);
}
}
开发者ID:williamClanton，
项目名称:jbossBA，
代码行数:61，
代码来源:MultiInstanceToPropositional.java
示例6: copyValues
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Copies string/relational values contained in the instance copied to a new
* dataset. The Instance must already be assigned to a dataset. This dataset
* and the destination dataset must have the same structure.
*
* @param instance the Instance containing the string/relational values to
* copy.
* @param isInput if true the input format and input attribute locators are
* used otherwise the output format and output locators
*/
protected void copyValues(Instance instance, boolean isInput) {
RelationalLocator.copyRelationalValues(instance, (isInput) ? m_InputFormat
: m_OutputFormat, (isInput) ? m_InputRelAtts : m_OutputRelAtts);
StringLocator.copyStringValues(instance, (isInput) ? m_InputFormat
: m_OutputFormat, (isInput) ? m_InputStringAtts : m_OutputStringAtts);
}
开发者ID:mydzigear，
项目名称:repo.kmeanspp.silhouette_score，
代码行数:19，
代码来源:Filter.java
示例7: copyValues
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import weka.core.StringLocator; //导入依赖的package包/类
/**
* Copies string/relational values contained in the instance copied to a new
* dataset. The Instance must already be assigned to a dataset. This dataset
* and the destination dataset must have the same structure.
*
* @param instance the Instance containing the string/relational values to
* copy.
* @param isInput if true the input format and input attribute locators are
* used otherwise the output format and output locators
*/
protected void copyValues(Instance instance, boolean isInput) {
RelationalLocator.copyRelationalValues(instance, (isInput) ? m_InputFormat
: m_OutputFormat, (isInput) ? m_InputRelAtts : m_OutputRelAtts);
StringLocator.copyStringValues(instance, (isInput) ? m_InputFormat
: m_OutputFormat, (isInput) ? m_InputStringAtts : m_OutputStringAtts);
}
开发者ID:umple，
项目名称:umple，
代码行数:19，
代码来源:Filter.java
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