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<?xml version="1.0" encoding="UTF-8" standalone="no"?><process version="5.2.006"> <context> <input/> <output/> <macros/> </context> <operator activated="true" class="process" compatibility="5.2.006" expanded="true" name="Process"> <process expanded="true" height="484" width="1016"> <operator activated="true" class="generate_data" compatibility="5.2.006" expanded="true" height="60" name="Generate Data" width="90" x="45" y="30"> <parameter key="number_examples" value="2"/> </operator> <operator activated="true" class="select_attributes" compatibility="5.2.006" expanded="true" height="76" name="Generate Data (2)" width="90" x="180" y="30"> <parameter key="attribute_filter_type" value="single"/> <parameter key="attribute" value="label"/> <parameter key="invert_selection" value="true"/> <parameter key="include_special_attributes" value="true"/> </operator> <operator activated="true" class="loop_attributes" compatibility="5.2.006" expanded="true" height="60" name="Generate Data (3)" width="90" x="313" y="30"> <parameter key="iteration_macro" value="att1"/> <process expanded="true" height="484" width="930"> <operator activated="true" class="generate_attributes" compatibility="5.2.006" expanded="true" height="76" name="Generate Attributes" width="90" x="112" y="30"> <list key="function_descriptions"> <parameter key="%{att1}" value="char("ABCDEFGHIJKLMNOP", round(abs(%{att1})))"/> </list> </operator> <connect from_port="example set" to_op="Generate Attributes" to_port="example set input"/> <connect from_op="Generate Attributes" from_port="example set output" to_port="example set"/> <portSpacing port="source_example set" spacing="0"/> <portSpacing port="sink_example set" spacing="0"/> </process> </operator> <operator activated="true" class="loop_attributes" compatibility="5.2.006" expanded="true" height="60" name="Merge" width="90" x="447" y="30"> <parameter key="attribute_filter_type" value="single"/> <parameter key="attribute" value="att5"/> <parameter key="invert_selection" value="true"/> <parameter key="iteration_macro" value="att1"/> <process expanded="true" height="484" width="930"> <operator activated="true" class="generate_attributes" compatibility="5.2.006" expanded="true" height="76" name="Generate Attributes (2)" width="90" x="447" y="30"> <list key="function_descriptions"> <parameter key="att5" value="concat(att5, %{att1})"/> </list> <parameter key="use_standard_constants" value="false"/> </operator> <connect from_port="example set" to_op="Generate Attributes (2)" to_port="example set input"/> <connect from_op="Generate Attributes (2)" from_port="example set output" to_port="example set"/> <portSpacing port="source_example set" spacing="0"/> <portSpacing port="sink_example set" spacing="0"/> </process> </operator> <operator activated="true" class="select_attributes" compatibility="5.2.006" expanded="true" height="76" name="Select Attributes" width="90" x="45" y="165"> <parameter key="attribute_filter_type" value="single"/> <parameter key="attribute" value="att5"/> </operator> <operator activated="true" class="transpose" compatibility="5.2.006" expanded="true" height="76" name="Transpose" width="90" x="179" y="165"/> <operator activated="true" class="loop_attributes" compatibility="5.2.006" expanded="true" height="60" name="Merge (2)" width="90" x="313" y="165"> <parameter key="attribute_filter_type" value="single"/> <parameter key="attribute" value="id"/> <parameter key="invert_selection" value="true"/> <parameter key="iteration_macro" value="att1"/> <process expanded="true" height="503" width="943"> <operator activated="true" class="generate_attributes" compatibility="5.2.006" expanded="true" height="76" name="Generate Attributes (3)" width="90" x="246" y="30"> <list key="function_descriptions"> <parameter key="final result" value="concat(att_1, %{att1})"/> </list> <parameter key="use_standard_constants" value="false"/> </operator> <connect from_port="example set" to_op="Generate Attributes (3)" to_port="example set input"/> <connect from_op="Generate Attributes (3)" from_port="example set output" to_port="example set"/> <portSpacing port="source_example set" spacing="0"/> <portSpacing port="sink_example set" spacing="0"/> </process> </operator> <operator activated="true" class="select_attributes" compatibility="5.2.006" expanded="true" height="76" name="Select Attributes (2)" width="90" x="447" y="165"> <parameter key="attribute_filter_type" value="single"/> <parameter key="attribute" value="final result"/> <parameter key="include_special_attributes" value="true"/> </operator> <connect from_op="Generate Data" from_port="output" to_op="Generate Data (2)" to_port="example set input"/> <connect from_op="Generate Data (2)" from_port="example set output" to_op="Generate Data (3)" to_port="example set"/> <connect from_op="Generate Data (3)" from_port="example set" to_op="Merge" to_port="example set"/> <connect from_op="Merge" from_port="example set" to_op="Select Attributes" to_port="example set input"/> <connect from_op="Select Attributes" from_port="example set output" to_op="Transpose" to_port="example set input"/> <connect from_op="Transpose" from_port="example set output" to_op="Merge (2)" to_port="example set"/> <connect from_op="Merge (2)" from_port="example set" to_op="Select Attributes (2)" to_port="example set input"/> <connect from_op="Select Attributes (2)" from_port="example set output" to_port="result 1"/> <portSpacing port="source_input 1" spacing="0"/> <portSpacing port="sink_result 1" spacing="0"/> <portSpacing port="sink_result 2" spacing="0"/> </process> </operator></process>
Answers
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="5.2.003">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="5.2.003" expanded="true" name="Process">
<process expanded="true" height="484" width="748">
<operator activated="true" class="generate_data" compatibility="5.2.003" expanded="true" height="60" name="Generate Data" width="90" x="45" y="30">
<parameter key="number_examples" value="2"/>
</operator>
<operator activated="true" class="select_attributes" compatibility="5.2.003" expanded="true" height="76" name="Generate Data (2)" width="90" x="180" y="30">
<parameter key="attribute_filter_type" value="single"/>
<parameter key="attribute" value="label"/>
<parameter key="invert_selection" value="true"/>
<parameter key="include_special_attributes" value="true"/>
</operator>
<operator activated="true" class="loop_attributes" compatibility="5.2.003" expanded="true" height="60" name="Generate Data (3)" width="90" x="313" y="30">
<parameter key="iteration_macro" value="att1"/>
<process expanded="true" height="484" width="930">
<operator activated="true" class="generate_attributes" compatibility="5.2.003" expanded="true" height="76" name="Generate Attributes" width="90" x="112" y="30">
<list key="function_descriptions">
<parameter key="%{att1}" value="char("ABCDEFGHIJKLMNOP", round(abs(%{att1})))"/>
</list>
</operator>
<connect from_port="example set" to_op="Generate Attributes" to_port="example set input"/>
<connect from_op="Generate Attributes" from_port="example set output" to_port="example set"/>
<portSpacing port="source_example set" spacing="0"/>
<portSpacing port="sink_example set" spacing="0"/>
</process>
</operator>
<operator activated="true" class="loop_attributes" compatibility="5.2.003" expanded="true" height="60" name="Merge" width="90" x="447" y="30">
<parameter key="attribute_filter_type" value="single"/>
<parameter key="attribute" value="att5"/>
<parameter key="invert_selection" value="true"/>
<parameter key="iteration_macro" value="att1"/>
<process expanded="true" height="484" width="930">
<operator activated="true" class="generate_attributes" compatibility="5.2.003" expanded="true" height="76" name="Generate Attributes (2)" width="90" x="447" y="30">
<list key="function_descriptions">
<parameter key="att5" value="concat(att5, %{att1})"/>
</list>
<parameter key="use_standard_constants" value="false"/>
</operator>
<connect from_port="example set" to_op="Generate Attributes (2)" to_port="example set input"/>
<connect from_op="Generate Attributes (2)" from_port="example set output" to_port="example set"/>
<portSpacing port="source_example set" spacing="0"/>
<portSpacing port="sink_example set" spacing="0"/>
</process>
</operator>
<connect from_op="Generate Data" from_port="output" to_op="Generate Data (2)" to_port="example set input"/>
<connect from_op="Generate Data (2)" from_port="example set output" to_op="Generate Data (3)" to_port="example set"/>
<connect from_op="Generate Data (3)" from_port="example set" to_op="Merge" to_port="example set"/>
<connect from_op="Merge" from_port="example set" to_port="result 1"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
<portSpacing port="sink_result 2" spacing="0"/>
</process>
</operator>
</process>
just in case your problem has meanwhile not been solved, this process should do the trick.
By rotating the dataset and re-executing your "merge"-loop the single string appears.
Best regards,
Edin