datatable.html

来自「数据挖掘方面最新软件」· HTML 代码 · 共 909 行 · 第 1/3 页

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<A NAME="getColumnNames()"><!-- --></A><H3>
getColumnNames</H3>
<PRE>
java.lang.String[] <B>getColumnNames</B>()</PRE>
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<DD>Returns an array of all column names.
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<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
java.lang.String <B>getName</B>()</PRE>
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<DD>Returns the name of this data table.
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<A NAME="setName(java.lang.String)"><!-- --></A><H3>
setName</H3>
<PRE>
void <B>setName</B>(java.lang.String&nbsp;name)</PRE>
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<DD>Sets the name of the data table.
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<A NAME="add(com.rapidminer.datatable.DataTableRow)"><!-- --></A><H3>
add</H3>
<PRE>
void <B>add</B>(<A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable">DataTableRow</A>&nbsp;row)</PRE>
<DL>
<DD>Adds the given <A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable"><CODE>DataTableRow</CODE></A> to the table.
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<A NAME="iterator()"><!-- --></A><H3>
iterator</H3>
<PRE>
java.util.Iterator&lt;<A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable">DataTableRow</A>&gt; <B>iterator</B>()</PRE>
<DL>
<DD>Returns an iterator over all <A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable"><CODE>DataTableRow</CODE></A>s.
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<DT><B>Specified by:</B><DD><CODE>iterator</CODE> in interface <CODE>java.lang.Iterable&lt;<A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable">DataTableRow</A>&gt;</CODE></DL>
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<A NAME="getRow(int)"><!-- --></A><H3>
getRow</H3>
<PRE>
<A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable">DataTableRow</A> <B>getRow</B>(int&nbsp;index)</PRE>
<DL>
<DD>Returns the data table row with the given index. Please note that this method is not guaranteed to 
  be efficiently implemented. If you want to scan the complete data table you should use the iterator()
  method instead.
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<A NAME="getNumberOfRows()"><!-- --></A><H3>
getNumberOfRows</H3>
<PRE>
int <B>getNumberOfRows</B>()</PRE>
<DL>
<DD>Returns the total number of rows.
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<A NAME="getNumberOfValues(int)"><!-- --></A><H3>
getNumberOfValues</H3>
<PRE>
int <B>getNumberOfValues</B>(int&nbsp;column)</PRE>
<DL>
<DD>Returns the number of different values for the i-th column. Might return -1 or throw an 
  exception if the specific column is not nominal.
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<A NAME="getValueAsString(com.rapidminer.datatable.DataTableRow, int)"><!-- --></A><H3>
getValueAsString</H3>
<PRE>
java.lang.String <B>getValueAsString</B>(<A HREF="../../../com/rapidminer/datatable/DataTableRow.html" title="interface in com.rapidminer.datatable">DataTableRow</A>&nbsp;row,
                                  int&nbsp;column)</PRE>
<DL>
<DD>Must deliver the proper value as string, i.e. the mapped value for nominal columns.
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<A NAME="addDataTableListener(com.rapidminer.datatable.DataTableListener)"><!-- --></A><H3>
addDataTableListener</H3>
<PRE>
void <B>addDataTableListener</B>(<A HREF="../../../com/rapidminer/datatable/DataTableListener.html" title="interface in com.rapidminer.datatable">DataTableListener</A>&nbsp;dataTableListener)</PRE>
<DL>
<DD>Adds a table listener listening for data changes.
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</DL>
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<A NAME="removeDataTableListener(com.rapidminer.datatable.DataTableListener)"><!-- --></A><H3>
removeDataTableListener</H3>
<PRE>
void <B>removeDataTableListener</B>(<A HREF="../../../com/rapidminer/datatable/DataTableListener.html" title="interface in com.rapidminer.datatable">DataTableListener</A>&nbsp;dataTableListener)</PRE>
<DL>
<DD>Removes the given listener from the list of data change listeners.
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<A NAME="write(java.io.PrintWriter)"><!-- --></A><H3>
write</H3>
<PRE>
void <B>write</B>(java.io.PrintWriter&nbsp;out)
           throws java.io.IOException</PRE>
<DL>
<DD>Writes the table into the given writer.
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<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
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<A NAME="sample(int)"><!-- --></A><H3>
sample</H3>
<PRE>
void <B>sample</B>(int&nbsp;newSize)</PRE>
<DL>
<DD>Performs a sampling of this data table. Following operations should only work on the sample.
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<A NAME="containsMissingValues()"><!-- --></A><H3>
containsMissingValues</H3>
<PRE>
boolean <B>containsMissingValues</B>()</PRE>
<DL>
<DD>Returns true if this data table contains missing values.
<P>
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</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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