sequence.html

数据挖掘的最常用工具。由于开源

<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>elements</CODE> - the Elements of the Sequence</DL>
</DL>
<HR>

<A NAME="Sequence(int)"><!-- --></A><H3>
Sequence</H3>
<PRE>
public <B>Sequence</B>(int&nbsp;supportCount)</PRE>
<DL>
<DD>Constructor accepting an int value as parameter to set the support count.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>supportCount</CODE> - the support count to set</DL>
</DL>

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<A NAME="aprioriGen(weka.core.FastVector)"><!-- --></A><H3>
aprioriGen</H3>
<PRE>
public static <A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A> <B>aprioriGen</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;kMinusOneSequences)
                             throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Generates all possible candidate k-Sequences and prunes the ones that 
 contain an infrequent (k-1)-Sequence.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>kMinusOneSequences</CODE> - the set of (k-1)-Sequences, used for verification
<DT><B>Returns:</B><DD>the generated set of k-candidates
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="deleteInfrequentSequences(weka.core.FastVector, long)"><!-- --></A><H3>
deleteInfrequentSequences</H3>
<PRE>
public static <A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A> <B>deleteInfrequentSequences</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;sequences,
                                                   long&nbsp;minSupportCount)</PRE>
<DL>
<DD>Deletes Sequences of a given set which don't meet the minimum support 
 count threshold.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sequences</CODE> - the set Sequences to be checked<DD><CODE>minSupportCount</CODE> - the minimum support count
<DT><B>Returns:</B><DD>the set of Sequences after deleting</DL>
</DD>
</DL>
<HR>

<A NAME="oneElementsToSequences(weka.core.FastVector)"><!-- --></A><H3>
oneElementsToSequences</H3>
<PRE>
public static <A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A> <B>oneElementsToSequences</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;elements)</PRE>
<DL>
<DD>Converts a set of 1-Elements into a set of 1-Sequences.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>elements</CODE> - the set of 1-Elements
<DT><B>Returns:</B><DD>the set of 1-Sequences</DL>
</DD>
</DL>
<HR>

<A NAME="printSetOfSequences(weka.core.FastVector)"><!-- --></A><H3>
printSetOfSequences</H3>
<PRE>
public static void <B>printSetOfSequences</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;setOfSequences)</PRE>
<DL>
<DD>Prints a set of Sequences as String output.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>setOfSequences</CODE> - the set of sequences</DL>
</DD>
</DL>
<HR>

<A NAME="setOfSequencesToString(weka.core.FastVector, weka.core.Instances, weka.core.FastVector)"><!-- --></A><H3>
setOfSequencesToString</H3>
<PRE>
public static java.lang.String <B>setOfSequencesToString</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;setOfSequences,
                                                      <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;dataSet,
                                                      <A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;filterAttributes)</PRE>
<DL>
<DD>Returns a String representation of a set of Sequences where the numeric 
 value of each event/item is represented by its respective nominal value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>setOfSequences</CODE> - the set of Sequences<DD><CODE>dataSet</CODE> - the corresponding data set containing the header 
                                information<DD><CODE>filterAttributes</CODE> - the attributes to filter out
<DT><B>Returns:</B><DD>the String representation</DL>
</DD>
</DL>
<HR>

<A NAME="updateSupportCount(weka.core.FastVector, weka.core.FastVector)"><!-- --></A><H3>
updateSupportCount</H3>
<PRE>
public static void <B>updateSupportCount</B>(<A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;candidates,
                                      <A HREF="../../../weka/core/FastVector.html" title="class in weka.core">FastVector</A>&nbsp;dataSequences)</PRE>
<DL>
<DD>Updates the support count of a set of Sequence candidates according to a 
 given set of data sequences.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>candidates</CODE> - the set of candidates<DD><CODE>dataSequences</CODE> - the set of data sequences</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public <A HREF="../../../weka/associations/gsp/Sequence.html" title="class in weka.associations.gsp">Sequence</A> <B>clone</B>()</PRE>
<DL>
<DD>Returns a deep clone of a Sequence.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>clone</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the cloned Sequence</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Checks if two Sequences are equal.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true, if the two Sequences are equal, else false</DL>
</DD>
</DL>
<HR>

<A NAME="toNominalString(weka.core.Instances)"><!-- --></A><H3>
toNominalString</H3>
<PRE>
public java.lang.String <B>toNominalString</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;dataSet)</PRE>
<DL>
<DD>Returns a String representation of a Sequences where the numeric value 
 of each event/item is represented by its respective nominal value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dataSet</CODE> - the corresponding data set containing the header 
                                information
<DT><B>Returns:</B><DD>the String representation</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 a Sequence.
<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>the String representation</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>
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