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<BR> Constructor for a numeric attribute with a particular index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../weka/core/Attribute.html#Attribute(java.lang.String, weka.core.ProtectedProperties)">Attribute</A></B>(java.lang.String attributeName, <A HREF="../../weka/core/ProtectedProperties.html" title="class in weka.core">ProtectedProperties</A> metadata)</CODE><BR> Constructor for a numeric attribute, where metadata is supplied.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../weka/core/Attribute.html#Attribute(java.lang.String, java.lang.String)">Attribute</A></B>(java.lang.String attributeName, java.lang.String dateFormat)</CODE><BR> Constructor for a date attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../weka/core/Attribute.html#Attribute(java.lang.String, java.lang.String, int)">Attribute</A></B>(java.lang.String attributeName, java.lang.String dateFormat, int index)</CODE><BR> Constructor for date attributes with a particular index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../weka/core/Attribute.html#Attribute(java.lang.String, java.lang.String, weka.core.ProtectedProperties)">Attribute</A></B>(java.lang.String attributeName, java.lang.String dateFormat, <A HREF="../../weka/core/ProtectedProperties.html" title="class in weka.core">ProtectedProperties</A> metadata)</CODE><BR> Constructor for a date attribute, where metadata is supplied.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#addRelation(weka.core.Instances)">addRelation</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> value)</CODE><BR> Adds a relation to a relation-valued attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#addStringValue(weka.core.Attribute, int)">addStringValue</A></B>(<A HREF="../../weka/core/Attribute.html" title="class in weka.core">Attribute</A> src, int index)</CODE><BR> Adds a string value to the list of valid strings for attributes of type STRING and returns the index of the string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#addStringValue(java.lang.String)">addStringValue</A></B>(java.lang.String value)</CODE><BR> Adds a string value to the list of valid strings for attributes of type STRING and returns the index of the string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#copy()">copy</A></B>()</CODE><BR> Produces a shallow copy of this attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Attribute.html" title="class in weka.core">Attribute</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#copy(java.lang.String)">copy</A></B>(java.lang.String newName)</CODE><BR> Produces a shallow copy of this attribute with a new name.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#enumerateValues()">enumerateValues</A></B>()</CODE><BR> Returns an enumeration of all the attribute's values if the attribute is nominal, string, or relation-valued, null otherwise.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object other)</CODE><BR> Tests if given attribute is equal to this attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#formatDate(double)">formatDate</A></B>(double date)</CODE><BR> Returns the given amount of milliseconds formatted according to the current Date format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#getDateFormat()">getDateFormat</A></B>()</CODE><BR> Returns the Date format pattern in case this attribute is of type DATE, otherwise an empty string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#getLowerNumericBound()">getLowerNumericBound</A></B>()</CODE><BR> Returns the lower bound of a numeric attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/ProtectedProperties.html" title="class in weka.core">ProtectedProperties</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#getMetadata()">getMetadata</A></B>()</CODE><BR> Returns the properties supplied for this attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#getRevision()">getRevision</A></B>()</CODE><BR> Returns the revision string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#getUpperNumericBound()">getUpperNumericBound</A></B>()</CODE><BR> Returns the upper bound of a numeric attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#hasZeropoint()">hasZeropoint</A></B>()</CODE><BR> Returns whether the attribute has a zeropoint and may be added meaningfully.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#index()">index</A></B>()</CODE><BR> Returns the index of this attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#indexOfValue(java.lang.String)">indexOfValue</A></B>(java.lang.String value)</CODE><BR> Returns the index of a given attribute value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isAveragable()">isAveragable</A></B>()</CODE><BR> Returns whether the attribute can be averaged meaningfully.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isDate()">isDate</A></B>()</CODE><BR> Tests if the attribute is a date type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isInRange(double)">isInRange</A></B>(double value)</CODE><BR> Determines whether a value lies within the bounds of the attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isNominal()">isNominal</A></B>()</CODE><BR> Test if the attribute is nominal.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isNumeric()">isNumeric</A></B>()</CODE><BR> Tests if the attribute is numeric.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isRegular()">isRegular</A></B>()</CODE><BR> Returns whether the attribute values are equally spaced.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isRelationValued()">isRelationValued</A></B>()</CODE><BR> Tests if the attribute is relation valued.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#isString()">isString</A></B>()</CODE><BR> Tests if the attribute is a string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#lowerNumericBoundIsOpen()">lowerNumericBoundIsOpen</A></B>()</CODE><BR> Returns whether the lower numeric bound of the attribute is open.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#main(java.lang.String[])">main</A></B>(java.lang.String[] ops)</CODE><BR> Simple main method for testing this class.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#name()">name</A></B>()</CODE><BR> Returns the attribute's name.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#numValues()">numValues</A></B>()</CODE><BR> Returns the number of attribute values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#ordering()">ordering</A></B>()</CODE><BR> Returns the ordering of the attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#parseDate(java.lang.String)">parseDate</A></B>(java.lang.String string)</CODE><BR> Parses the given String as Date, according to the current format and returns the corresponding amount of milliseconds.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#relation()">relation</A></B>()</CODE><BR> Returns the header info for a relation-valued attribute, null if the attribute is not relation-valued.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#relation(int)">relation</A></B>(int valIndex)</CODE><BR> Returns a value of a relation-valued attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#setWeight(double)">setWeight</A></B>(double value)</CODE><BR> Sets the new attribute's weight</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#toString()">toString</A></B>()</CODE><BR> Returns a description of this attribute in ARFF format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#type()">type</A></B>()</CODE><BR> Returns the attribute's type as an integer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#upperNumericBoundIsOpen()">upperNumericBoundIsOpen</A></B>()</CODE><BR> Returns whether the upper numeric bound of the attribute is open.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#value(int)">value</A></B>(int valIndex)</CODE><BR> Returns a value of a nominal or string attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/core/Attribute.html#weight()">weight</A></B>()</CODE><BR> Returns the attribute's weight.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P>⌨️ 快捷键说明
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