| package org.apache.samoa.instances; |
| |
| /* |
| * #%L |
| * SAMOA |
| * %% |
| * Copyright (C) 2014 - 2015 Apache Software Foundation |
| * %% |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * #L% |
| */ |
| |
| import java.io.Serializable; |
| |
| public interface Instance extends Serializable { |
| |
| /** |
| * Gets the weight of the instance. |
| * |
| * @return the weight |
| */ |
| public double weight(); |
| |
| /** |
| * Sets the weight. |
| * |
| * @param weight the new weight |
| */ |
| public void setWeight(double weight); |
| |
| /** |
| * Attribute. |
| * |
| * @param instAttIndex the inst att index |
| * @return the attribute |
| */ |
| public Attribute attribute(int instAttIndex); |
| |
| /** |
| * Delete attribute at. |
| * |
| * @param i the index |
| */ |
| public void deleteAttributeAt(int i); |
| |
| /** |
| * Insert attribute at. |
| * |
| * @param i the index |
| */ |
| public void insertAttributeAt(int i); |
| |
| /** |
| * Gets the number of attributes. |
| * |
| * @return the number of attributes |
| */ |
| public int numAttributes(); |
| |
| /** |
| * Adds the sparse values. |
| * |
| * @param indexValues the index values |
| * @param attributeValues the attribute values |
| * @param numberAttributes the number attributes |
| */ |
| public void addSparseValues(int[] indexValues, double[] attributeValues, int numberAttributes); |
| |
| /** |
| * Gets the number of values, mainly for sparse instances. |
| * |
| * @return the number of values |
| */ |
| public int numValues(); |
| |
| /** |
| * Gets the value of a discrete attribute as a string. |
| * |
| * @param i the i |
| * @return the string |
| */ |
| public String stringValue(int i); |
| |
| /** |
| * Gets the value of an attribute. |
| * |
| * @param instAttIndex the inst att index |
| * @return the double |
| */ |
| public double value(int instAttIndex); |
| |
| /** |
| * Sets an attribute as missing |
| * |
| * @param instAttIndex, the attribute's index |
| */ |
| public void setMissing(int instAttIndex); |
| |
| /** |
| * Sets the value of an attribute. |
| * |
| * @param instAttIndex the index |
| * @param value the value |
| */ |
| public void setValue(int instAttIndex, double value); |
| |
| /** |
| * Checks if an attribute is missing. |
| * |
| * @param instAttIndex the inst att index |
| * @return true, if is missing |
| */ |
| public boolean isMissing(int instAttIndex); |
| |
| /** |
| * Gets the index of the attribute given the index of the array in a sparse |
| * representation. |
| * |
| * @param arrayIndex the index of the array |
| * @return the index |
| */ |
| public int index(int arrayIndex); |
| |
| /** |
| * Gets the value of an attribute in a sparse representation of the |
| * instance. |
| * |
| * @param i the i |
| * @return the value |
| */ |
| public double valueSparse(int i); |
| |
| /** |
| * Checks if the attribute is missing sparse. |
| * |
| * @param p1 the p1 |
| * @return true, if is missing sparse |
| */ |
| public boolean isMissingSparse(int p1); |
| |
| /** |
| * To double array. |
| * |
| * @return the double[] |
| */ |
| public double[] toDoubleArray(); |
| |
| /** |
| * Class attribute. |
| * |
| * @return the attribute |
| */ |
| public Attribute classAttribute(); |
| |
| /** |
| * Class index. |
| * |
| * @return the int |
| */ |
| public int classIndex(); |
| |
| /** |
| * Class is missing. |
| * |
| * @return true, if successful |
| */ |
| public boolean classIsMissing(); |
| |
| /** |
| * Class value. |
| * |
| * @return the double |
| */ |
| public double classValue(); |
| |
| /** |
| * Num classes. |
| * |
| * @return the int |
| */ |
| public int numClasses(); |
| |
| /** |
| * Sets the class value. |
| * |
| * @param d the new class value |
| */ |
| public void setClassValue(double d); |
| |
| /** |
| * Copy. |
| * |
| * @return the instance |
| */ |
| public Instance copy(); |
| |
| /** |
| * Sets the dataset. |
| * |
| * @param dataset the new dataset |
| */ |
| public void setDataset(Instances dataset); |
| |
| /** |
| * Dataset. |
| * |
| * @return the instances |
| */ |
| public Instances dataset(); |
| |
| /** |
| * Gets the number of input attributes. |
| * |
| * @return the number of input attributes |
| */ |
| public int numInputAttributes(); |
| |
| /** |
| * Gets the number of output attributes. |
| * |
| * @return the number of output attributes |
| */ |
| public int numOutputAttributes(); |
| |
| /** |
| * Gets the number of output attributes. |
| * |
| * @return the number of output attributes |
| */ |
| public int numberOutputTargets(); |
| |
| /** |
| * Gets the value of an output attribute. |
| * |
| * @param attributeIndex the index |
| * @return the value |
| */ |
| public double classValue(int attributeIndex); |
| |
| /** |
| * Sets the value of an output attribute. |
| * |
| * @param indexClass the output attribute index |
| * @param valueAttribute the value of the attribute |
| */ |
| public void setClassValue(int indexClass, double valueAttribute); |
| |
| /** |
| * Gets an output attribute given its index. |
| * |
| * @param attributeIndex the index |
| * @return the attribute |
| */ |
| public Attribute outputAttribute(int attributeIndex); |
| |
| /** |
| * Gets an input attribute given its index. |
| * |
| * @param attributeIndex the index |
| * @return the attribute |
| */ |
| public Attribute inputAttribute(int attributeIndex); |
| |
| /** |
| * Gets the value of an input attribute. |
| * |
| * @param attributeIndex the index |
| * @return the value |
| */ |
| public double valueInputAttribute(int attributeIndex); |
| |
| /** |
| * Gets the value of an output attribute. |
| * |
| * @param attributeIndex the index |
| * @return the value |
| */ |
| public double valueOutputAttribute(int attributeIndex); |
| |
| /** |
| * Index of an Attribute. |
| * |
| * @param attribute, the attribute to be found. |
| * @return the index of an attribute |
| */ |
| public int indexOfAttribute(Attribute attribute); |
| |
| /** |
| * Gets the value of an attribute, given the attribute. |
| * |
| * @param attribute the attribute |
| * @return the double |
| */ |
| public double value(Attribute attribute); |
| |
| /** |
| * Sets an attribute as missing |
| * |
| * @param attribute, the Attribute |
| */ |
| public void setMissing(Attribute attribute); |
| |
| /** |
| * Sets the value of an attribute. |
| * |
| * @param attribute, the Attribute |
| * @param value the value |
| */ |
| public void setValue(Attribute attribute, double value); |
| |
| /** |
| * Checks if an attribute is missing. |
| * |
| * @param attribute, the Attribute |
| * @return true, if is missing |
| */ |
| public boolean isMissing(Attribute attribute); |
| |
| |
| |
| } |