sparseformatdatarowreader.html

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<TH ALIGN="left"><B>Methods inherited from class com.rapidminer.example.table.<A HREF="../../../../com/rapidminer/example/table/AbstractDataRowReader.html" title="class in com.rapidminer.example.table">AbstractDataRowReader</A></B></TH>
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<TD><CODE><A HREF="../../../../com/rapidminer/example/table/AbstractDataRowReader.html#getFactory()">getFactory</A>, <A HREF="../../../../com/rapidminer/example/table/AbstractDataRowReader.html#remove()">remove</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="FORMAT_NAMES"><!-- --></A><H3>
FORMAT_NAMES</H3>
<PRE>
public static final java.lang.String[] <B>FORMAT_NAMES</B></PRE>
<DL>
<DD>Names of the formats.
<P>
<DL>
</DL>
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<A NAME="FORMAT_XY"><!-- --></A><H3>
FORMAT_XY</H3>
<PRE>
public static final int <B>FORMAT_XY</B></PRE>
<DL>
<DD>Label succeeds attributes.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.rapidminer.example.table.SparseFormatDataRowReader.FORMAT_XY">Constant Field Values</A></DL>
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<A NAME="FORMAT_YX"><!-- --></A><H3>
FORMAT_YX</H3>
<PRE>
public static final int <B>FORMAT_YX</B></PRE>
<DL>
<DD>Label preceeds attributes.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.rapidminer.example.table.SparseFormatDataRowReader.FORMAT_YX">Constant Field Values</A></DL>
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<A NAME="FORMAT_PREFIX"><!-- --></A><H3>
FORMAT_PREFIX</H3>
<PRE>
public static final int <B>FORMAT_PREFIX</B></PRE>
<DL>
<DD>Label has a prefix specified in the prefix map.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.rapidminer.example.table.SparseFormatDataRowReader.FORMAT_PREFIX">Constant Field Values</A></DL>
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<A NAME="FORMAT_SEPARATE_FILE"><!-- --></A><H3>
FORMAT_SEPARATE_FILE</H3>
<PRE>
public static final int <B>FORMAT_SEPARATE_FILE</B></PRE>
<DL>
<DD>Label is in separate file.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.rapidminer.example.table.SparseFormatDataRowReader.FORMAT_SEPARATE_FILE">Constant Field Values</A></DL>
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<A NAME="FORMAT_NO_LABEL"><!-- --></A><H3>
FORMAT_NO_LABEL</H3>
<PRE>
public static final int <B>FORMAT_NO_LABEL</B></PRE>
<DL>
<DD>Label is missing.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#com.rapidminer.example.table.SparseFormatDataRowReader.FORMAT_NO_LABEL">Constant Field Values</A></DL>
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<A NAME="SparseFormatDataRowReader(com.rapidminer.example.table.DataRowFactory, int, java.util.Map, com.rapidminer.tools.att.AttributeSet, java.io.Reader, java.io.Reader, int)"><!-- --></A><H3>
SparseFormatDataRowReader</H3>
<PRE>
public <B>SparseFormatDataRowReader</B>(<A HREF="../../../../com/rapidminer/example/table/DataRowFactory.html" title="class in com.rapidminer.example.table">DataRowFactory</A>&nbsp;factory,
                                 int&nbsp;format,
                                 java.util.Map&lt;java.lang.String,java.lang.String&gt;&nbsp;prefixMap,
                                 <A HREF="../../../../com/rapidminer/tools/att/AttributeSet.html" title="class in com.rapidminer.tools.att">AttributeSet</A>&nbsp;attributeSet,
                                 java.io.Reader&nbsp;attributeReader,
                                 java.io.Reader&nbsp;labelReader,
                                 int&nbsp;sampleSize)</PRE>
<DL>
<DD>Creates a new data row reader for sparse format. The attributes indices
 must not be set. If they are, they are reassigned new values when this
 constructor is called!
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>factory</CODE> - Factory used to create <A HREF="../../../../com/rapidminer/example/table/DataRow.html" title="class in com.rapidminer.example.table"><CODE>DataRow</CODE></A> instances.<DD><CODE>format</CODE> - One Out of FORMAT_XY, FORMAT_YX, FORMAT_PREFIX, and
            FORMAT_SEPARATE_FILE.<DD><CODE>prefixMap</CODE> - Maps prefixes to special attribute names (e.g. &quot;l&quot;
            to &quot;label&quot;).<DD><CODE>attributeSet</CODE> - Set of regular and special attributes.<DD><CODE>attributeReader</CODE> - Reader for the data<DD><CODE>labelReader</CODE> - Reader for the labels. Only necessary if format is
            FORMAT_SEPARATE_FILE.<DD><CODE>sampleSize</CODE> - sample size, may be -1 for no limit.</DL>
</DL>

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<A NAME="hasNext()"><!-- --></A><H3>
hasNext</H3>
<PRE>
public boolean <B>hasNext</B>()</PRE>
<DL>
<DD>Checks if futher examples exist. Returns false if one of the files end.
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<A NAME="next()"><!-- --></A><H3>
next</H3>
<PRE>
public <A HREF="../../../../com/rapidminer/example/table/DataRow.html" title="class in com.rapidminer.example.table">DataRow</A> <B>next</B>()</PRE>
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<DD>Returns the next Example.
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