testinstances.html

数据挖掘的最常用工具。由于开源

<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

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

<A NAME="setNumRelationalDate(int)"><!-- --></A><H3>
setNumRelationalDate</H3>
<PRE>
public void <B>setNumRelationalDate</B>(int&nbsp;value)</PRE>
<DL>
<DD>sets the number of date attributes in a relational attribute
<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="getNumRelationalDate()"><!-- --></A><H3>
getNumRelationalDate</H3>
<PRE>
public int <B>getNumRelationalDate</B>()</PRE>
<DL>
<DD>returns the current number of date attributes in a relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

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

<A NAME="getNumInstancesRelational()"><!-- --></A><H3>
getNumInstancesRelational</H3>
<PRE>
public int <B>getNumInstancesRelational</B>()</PRE>
<DL>
<DD>returns the current number of instances in relational/bag attributes to produce
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="setMultiInstance(boolean)"><!-- --></A><H3>
setMultiInstance</H3>
<PRE>
public void <B>setMultiInstance</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>sets whether multi-instance data should be generated (with a fixed
 data structure)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - whether multi-instance data is generated</DL>
</DD>
</DL>
<HR>

<A NAME="getMultiInstance()"><!-- --></A><H3>
getMultiInstance</H3>
<PRE>
public boolean <B>getMultiInstance</B>()</PRE>
<DL>
<DD>Gets whether multi-instance data (with a fixed structure) is generated
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if multi-instance data is generated</DL>
</DD>
</DL>
<HR>

<A NAME="setRelationalFormat(int, weka.core.Instances)"><!-- --></A><H3>
setRelationalFormat</H3>
<PRE>
public void <B>setRelationalFormat</B>(int&nbsp;index,
                                <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;value)</PRE>
<DL>
<DD>sets the structure for the bags for the relational attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the relational attribute<DD><CODE>value</CODE> - the new structure</DL>
</DD>
</DL>
<HR>

<A NAME="getRelationalFormat(int)"><!-- --></A><H3>
getRelationalFormat</H3>
<PRE>
public <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getRelationalFormat</B>(int&nbsp;index)</PRE>
<DL>
<DD>returns the format for the specified relational attribute, can be null
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the relational attribute
<DT><B>Returns:</B><DD>the current structure</DL>
</DD>
</DL>
<HR>

<A NAME="setRelationalClassFormat(weka.core.Instances)"><!-- --></A><H3>
setRelationalClassFormat</H3>
<PRE>
public void <B>setRelationalClassFormat</B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;value)</PRE>
<DL>
<DD>sets the structure for the relational class attribute
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the structure for the relational attribute</DL>
</DD>
</DL>
<HR>

<A NAME="getRelationalClassFormat()"><!-- --></A><H3>
getRelationalClassFormat</H3>
<PRE>
public <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getRelationalClassFormat</B>()</PRE>
<DL>
<DD>returns the current strcuture of the relational class attribute, can
 be null
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the relational structure of the class attribute</DL>
</DD>
</DL>
<HR>

<A NAME="getNumAttributes()"><!-- --></A><H3>
getNumAttributes</H3>
<PRE>
public int <B>getNumAttributes</B>()</PRE>
<DL>
<DD>returns the overall number of attributes (incl. class, if that is also
 generated)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="getData()"><!-- --></A><H3>
getData</H3>
<PRE>
public <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getData</B>()</PRE>
<DL>
<DD>returns the current dataset, can be null
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="setHandler(weka.core.CapabilitiesHandler)"><!-- --></A><H3>
setHandler</H3>
<PRE>
public void <B>setHandler</B>(<A HREF="../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A>&nbsp;value)</PRE>
<DL>
<DD>sets the Capabilities handler to generate the data for
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the handler to generate the data for</DL>
</DD>
</DL>
<HR>

<A NAME="getHandler()"><!-- --></A><H3>
getHandler</H3>
<PRE>
public <A HREF="../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A> <B>getHandler</B>()</PRE>
<DL>
<DD>returns the current set CapabilitiesHandler to generate the dataset
 for, can be null
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the handler to generate the data for</DL>
</DD>
</DL>
<HR>

<A NAME="generate()"><!-- --></A><H3>
generate</H3>
<PRE>
public <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>generate</B>()
                   throws java.lang.Exception</PRE>
<DL>
<DD>generates a new dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the generated data
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
<HR>

<A NAME="forCapabilities(weka.core.Capabilities)"><!-- --></A><H3>
forCapabilities</H3>
<PRE>
public static <A HREF="../../weka/core/TestInstances.html" title="class in weka.core">TestInstances</A> <B>forCapabilities</B>(<A HREF="../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A>&nbsp;c)</PRE>
<DL>
<DD>returns a TestInstances instance setup already for the the given
 capabilities.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - the capabilities to base the TestInstances on
<DT><B>Returns:</B><DD>the configured TestInstances object</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>returns a string representation of the object
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a string representation of the object</DL>
</DD>
</DL>
<HR>

<A NAME="getRevision()"><!-- --></A><H3>
getRevision</H3>
<PRE>
public java.lang.String <B>getRevision</B>()</PRE>
<DL>
<DD>Returns the revision string.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE> in interface <CODE><A HREF="../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the revision</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;args)
                 throws java.lang.Exception</PRE>
<DL>
<DD>for running the class from commandline, prints the generated data
 to stdout
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the commandline parameters
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
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