testinstances.html

数据挖掘的最常用工具。由于开源

<PRE>
public int <B>getClassIndex</B>()</PRE>
<DL>
<DD>returns the current class index (0-based), -1 is last attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the class index<DT><B>See Also:</B><DD><A HREF="../../weka/core/TestInstances.html#CLASS_IS_LAST"><CODE>CLASS_IS_LAST</CODE></A>, 
<A HREF="../../weka/core/TestInstances.html#NO_CLASS"><CODE>NO_CLASS</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setNoClass(boolean)"><!-- --></A><H3>
setNoClass</H3>
<PRE>
public void <B>setNoClass</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>whether to have no class, e.g., for clusterers; otherwise the class
 attribute index is set to last
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - whether to have no class<DT><B>See Also:</B><DD><A HREF="../../weka/core/TestInstances.html#CLASS_IS_LAST"><CODE>CLASS_IS_LAST</CODE></A>, 
<A HREF="../../weka/core/TestInstances.html#NO_CLASS"><CODE>NO_CLASS</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getNoClass()"><!-- --></A><H3>
getNoClass</H3>
<PRE>
public boolean <B>getNoClass</B>()</PRE>
<DL>
<DD>whether no class attribute is generated
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if no class attribute is generated</DL>
</DD>
</DL>
<HR>

<A NAME="setNumNominal(int)"><!-- --></A><H3>
setNumNominal</H3>
<PRE>
public void <B>setNumNominal</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of nominal attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of nominal attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumNominal()"><!-- --></A><H3>
getNumNominal</H3>
<PRE>
public int <B>getNumNominal</B>()</PRE>
<DL>
<DD>returns the current number of nominal attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of nominal attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setNumNominalValues(int)"><!-- --></A><H3>
setNumNominalValues</H3>
<PRE>
public void <B>setNumNominalValues</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of values for nominal attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of values</DL>
</DD>
</DL>
<HR>

<A NAME="getNumNominalValues()"><!-- --></A><H3>
getNumNominalValues</H3>
<PRE>
public int <B>getNumNominalValues</B>()</PRE>
<DL>
<DD>returns the current number of values for nominal attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of values</DL>
</DD>
</DL>
<HR>

<A NAME="setNumNumeric(int)"><!-- --></A><H3>
setNumNumeric</H3>
<PRE>
public void <B>setNumNumeric</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of numeric attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of numeric attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumNumeric()"><!-- --></A><H3>
getNumNumeric</H3>
<PRE>
public int <B>getNumNumeric</B>()</PRE>
<DL>
<DD>returns the current number of numeric attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of numeric attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setNumString(int)"><!-- --></A><H3>
setNumString</H3>
<PRE>
public void <B>setNumString</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of string attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of string attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumString()"><!-- --></A><H3>
getNumString</H3>
<PRE>
public int <B>getNumString</B>()</PRE>
<DL>
<DD>returns the current number of string attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of string attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setWords(java.lang.String)"><!-- --></A><H3>
setWords</H3>
<PRE>
public void <B>setWords</B>(java.lang.String&nbsp;value)</PRE>
<DL>
<DD>Sets the comma-separated list of words to use for generating strings. The
 list must contain at least 2 words, otherwise an exception will be thrown.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the list of words
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if not at least 2 words are provided</DL>
</DD>
</DL>
<HR>

<A NAME="getWords()"><!-- --></A><H3>
getWords</H3>
<PRE>
public java.lang.String <B>getWords</B>()</PRE>
<DL>
<DD>returns the words used for assembling strings in a comma-separated list.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the words as comma-separated list</DL>
</DD>
</DL>
<HR>

<A NAME="setWordSeparators(java.lang.String)"><!-- --></A><H3>
setWordSeparators</H3>
<PRE>
public void <B>setWordSeparators</B>(java.lang.String&nbsp;value)</PRE>
<DL>
<DD>sets the word separators (chars) to use for assembling strings.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the characters to use as separators</DL>
</DD>
</DL>
<HR>

<A NAME="getWordSeparators()"><!-- --></A><H3>
getWordSeparators</H3>
<PRE>
public java.lang.String <B>getWordSeparators</B>()</PRE>
<DL>
<DD>returns the word separators (chars) to use for assembling strings.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the current separators</DL>
</DD>
</DL>
<HR>

<A NAME="setNumDate(int)"><!-- --></A><H3>
setNumDate</H3>
<PRE>
public void <B>setNumDate</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of date attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of date attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumDate()"><!-- --></A><H3>
getNumDate</H3>
<PRE>
public int <B>getNumDate</B>()</PRE>
<DL>
<DD>returns the current number of date attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of date attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setNumRelational(int)"><!-- --></A><H3>
setNumRelational</H3>
<PRE>
public void <B>setNumRelational</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of relational attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of relational attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumRelational()"><!-- --></A><H3>
getNumRelational</H3>
<PRE>
public int <B>getNumRelational</B>()</PRE>
<DL>
<DD>returns the current number of relational attributes
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of relational attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setNumRelationalNominal(int)"><!-- --></A><H3>
setNumRelationalNominal</H3>
<PRE>
public void <B>setNumRelationalNominal</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of nominal attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of nominal attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumRelationalNominal()"><!-- --></A><H3>
getNumRelationalNominal</H3>
<PRE>
public int <B>getNumRelationalNominal</B>()</PRE>
<DL>
<DD>returns the current number of nominal attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of nominal attributes</DL>
</DD>
</DL>
<HR>

<A NAME="setNumRelationalNominalValues(int)"><!-- --></A><H3>
setNumRelationalNominalValues</H3>
<PRE>
public void <B>setNumRelationalNominalValues</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of values for nominal attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of values</DL>
</DD>
</DL>
<HR>

<A NAME="getNumRelationalNominalValues()"><!-- --></A><H3>
getNumRelationalNominalValues</H3>
<PRE>
public int <B>getNumRelationalNominalValues</B>()</PRE>
<DL>
<DD>returns the current number of values for nominal attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of values</DL>
</DD>
</DL>
<HR>

<A NAME="setNumRelationalNumeric(int)"><!-- --></A><H3>
setNumRelationalNumeric</H3>
<PRE>
public void <B>setNumRelationalNumeric</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of numeric attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number of numeric attributes</DL>
</DD>
</DL>
<HR>

<A NAME="getNumRelationalNumeric()"><!-- --></A><H3>
getNumRelationalNumeric</H3>
<PRE>
public int <B>getNumRelationalNumeric</B>()</PRE>
<DL>
<DD>returns the current number of numeric attributes in a relational attribute