📄 attribute.html
字号:
<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> 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><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Field Detail</B></FONT></TH></TR></TABLE><A NAME="NUMERIC"><!-- --></A><H3>NUMERIC</H3><PRE>public static final int <B>NUMERIC</B></PRE><DL><DD>Constant set for numeric attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.NUMERIC">Constant Field Values</A></DL></DL><HR><A NAME="NOMINAL"><!-- --></A><H3>NOMINAL</H3><PRE>public static final int <B>NOMINAL</B></PRE><DL><DD>Constant set for nominal attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.NOMINAL">Constant Field Values</A></DL></DL><HR><A NAME="STRING"><!-- --></A><H3>STRING</H3><PRE>public static final int <B>STRING</B></PRE><DL><DD>Constant set for attributes with string values.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.STRING">Constant Field Values</A></DL></DL><HR><A NAME="DATE"><!-- --></A><H3>DATE</H3><PRE>public static final int <B>DATE</B></PRE><DL><DD>Constant set for attributes with date values.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.DATE">Constant Field Values</A></DL></DL><HR><A NAME="RELATIONAL"><!-- --></A><H3>RELATIONAL</H3><PRE>public static final int <B>RELATIONAL</B></PRE><DL><DD>Constant set for relation-valued attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.RELATIONAL">Constant Field Values</A></DL></DL><HR><A NAME="ORDERING_SYMBOLIC"><!-- --></A><H3>ORDERING_SYMBOLIC</H3><PRE>public static final int <B>ORDERING_SYMBOLIC</B></PRE><DL><DD>Constant set for symbolic attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.ORDERING_SYMBOLIC">Constant Field Values</A></DL></DL><HR><A NAME="ORDERING_ORDERED"><!-- --></A><H3>ORDERING_ORDERED</H3><PRE>public static final int <B>ORDERING_ORDERED</B></PRE><DL><DD>Constant set for ordered attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.ORDERING_ORDERED">Constant Field Values</A></DL></DL><HR><A NAME="ORDERING_MODULO"><!-- --></A><H3>ORDERING_MODULO</H3><PRE>public static final int <B>ORDERING_MODULO</B></PRE><DL><DD>Constant set for modulo-ordered attributes.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Attribute.ORDERING_MODULO">Constant Field Values</A></DL></DL><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="Attribute(java.lang.String)"><!-- --></A><H3>Attribute</H3><PRE>public <B>Attribute</B>(java.lang.String attributeName)</PRE><DL><DD>Constructor for a numeric attribute.<P><DL><DT><B>Parameters:</B><DD><CODE>attributeName</CODE> - the name for the attribute</DL></DL><HR><A NAME="Attribute(java.lang.String, weka.core.ProtectedProperties)"><!-- --></A><H3>Attribute</H3><PRE>public <B>Attribute</B>(java.lang.String attributeName, <A HREF="../../weka/core/ProtectedProperties.html" title="class in weka.core">ProtectedProperties</A> metadata)</PRE><DL><DD>Constructor for a numeric attribute, where metadata is supplied.<P><DL><DT><B>Parameters:</B><DD><CODE>attributeName</CODE> - the name for the attribute<DD><CODE>metadata</CODE> - the attribute's properties</DL></DL><HR><A NAME="Attribute(java.lang.String, java.lang.String)"><!-- --></A><H3>Attribute</H3><PRE>public <B>Attribute</B>(java.lang.String attributeName, java.lang.String dateFormat)</PRE><DL><DD>Constructor for a date attribute.<P><DL><DT><B>Parameters:</B><DD><CODE>attributeName</CODE> - the name for the attribute<DD><CODE>dateFormat</CODE> - a string suitable for use with SimpleDateFormatter for parsing dates.</DL></DL><HR><A NAME="Attribute(java.lang.String, java.lang.String, weka.core.ProtectedProperties)"><!-- --></A><H3>Attribute</H3><PRE>public <B>Attribute</B>(java.lang.String attributeName, java.lang.String dateFormat, <A HREF="../../weka/core/ProtectedProperties.html" title="class in weka.core">ProtectedProperties</A> metadata)</PRE><DL><DD>Constructor for a date attribute, where metadata is supplied.<P><DL><DT><B>Parameters:</B><DD><CODE>attributeName</CODE> - the name for the attribute<DD><CODE>dateFormat</CODE> - a string suitable for use with SimpleDateFormatter for parsing dates.<DD><CODE>metadata</CODE> - the attribute's properties</DL>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -