nominalmapping.html

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int <B>getPositiveIndex</B>()</PRE>
<DL>
<DD>Returns the index of a positive class (if available). Returns
  -1 otherwise.
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</DL>
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</DD>
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<A NAME="getPositiveString()"><!-- --></A><H3>
getPositiveString</H3>
<PRE>
java.lang.String <B>getPositiveString</B>()</PRE>
<DL>
<DD>Returns the nominal value of a positive class (if available). Returns
  null otherwise.
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</DL>
</DD>
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</DD>
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<A NAME="getNegativeIndex()"><!-- --></A><H3>
getNegativeIndex</H3>
<PRE>
int <B>getNegativeIndex</B>()</PRE>
<DL>
<DD>Returns the index of a negative class (if available). Returns
  -1 otherwise.
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</DL>
</DD>
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</DD>
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<A NAME="getNegativeString()"><!-- --></A><H3>
getNegativeString</H3>
<PRE>
java.lang.String <B>getNegativeString</B>()</PRE>
<DL>
<DD>Returns the nominal value of a negative class (if available). Returns
  null otherwise.
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</DL>
</DD>
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</DD>
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<A NAME="getIndex(java.lang.String)"><!-- --></A><H3>
getIndex</H3>
<PRE>
int <B>getIndex</B>(java.lang.String&nbsp;nominalValue)</PRE>
<DL>
<DD>Returns the internal double representation (actually an integer index) for the given
  nominal value without creating a mapping if none exists.
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<DD><DL>
</DL>
</DD>
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</DD>
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<A NAME="mapString(java.lang.String)"><!-- --></A><H3>
mapString</H3>
<PRE>
int <B>mapString</B>(java.lang.String&nbsp;nominalValue)</PRE>
<DL>
<DD>Returns the internal double representation (actually an integer index) for the given
  nominal value. This method creates a mapping if it did not exist before.
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</DD>
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</DD>
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<A NAME="mapIndex(int)"><!-- --></A><H3>
mapIndex</H3>
<PRE>
java.lang.String <B>mapIndex</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns the nominal value for an internal double representation (actually an integer index).
  This method only works for nominal values which were formerly mapped via 
  <A HREF="../../../../com/rapidminer/example/table/NominalMapping.html#mapString(java.lang.String)"><CODE>mapString(String)</CODE></A>.
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<DD><DL>
</DL>
</DD>
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</DD>
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<A NAME="setMapping(java.lang.String, int)"><!-- --></A><H3>
setMapping</H3>
<PRE>
void <B>setMapping</B>(java.lang.String&nbsp;nominalValue,
                int&nbsp;index)</PRE>
<DL>
<DD>Sets the given mapping. This might be practical for example for replacing a nominal value
  (without a data scan!).
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</DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getValues()"><!-- --></A><H3>
getValues</H3>
<PRE>
java.util.List&lt;java.lang.String&gt; <B>getValues</B>()</PRE>
<DL>
<DD>Returns a list of all nominal values which were mapped via <A HREF="../../../../com/rapidminer/example/table/NominalMapping.html#mapString(java.lang.String)"><CODE>mapString(String)</CODE></A>
  until now.
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</DL>
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</DD>
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<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
int <B>size</B>()</PRE>
<DL>
<DD>Returns the number of different nominal values which were mapped via
  <A HREF="../../../../com/rapidminer/example/table/NominalMapping.html#mapString(java.lang.String)"><CODE>mapString(String)</CODE></A> until now.
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<DD><DL>
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</DD>
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<A NAME="sortMappings()"><!-- --></A><H3>
sortMappings</H3>
<PRE>
void <B>sortMappings</B>()</PRE>
<DL>
<DD>This method rearranges the string to number mappings such that they are
 in alphabetical order. <br>
 <b>VERY IMPORTANT NOTE:</b> Do not call this method when this attribute
 is already associated with an <A HREF="../../../../com/rapidminer/example/table/AbstractExampleTable.html" title="class in com.rapidminer.example.table"><CODE>AbstractExampleTable</CODE></A> and it already
 contains <A HREF="../../../../com/rapidminer/example/Example.html" title="class in com.rapidminer.example"><CODE>Example</CODE></A>s. All examples will be messed up otherwise!
<P>
<DD><DL>
</DL>
</DD>
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</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
void <B>clear</B>()</PRE>
<DL>
<DD>Clears the mapping.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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