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"[SOLVED] Nested Operators in Weka don't have ports to connect?"

User: "earmijo"
earmijo
New Altair Community Member
Updated by Jocelyn
I've been playing with Ensemble Models lately. When I try to use the "Meta" operators from Weka (say for instance W-Vote) I don't see inside the operators the input or output ports/connectors. Am I missing something basic?

Thanks in advance for any help

Ernesto

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    User: "Nils_Woehler"
    Nils_Woehler
    New Altair Community Member
    Hi Ernesto,

    Weka Ensemble Models work with Weka classifiers only. You dont have to connect the classifiers, they will get the input automaticly. Here is an example: 

    <?xml version="1.0" encoding="UTF-8" standalone="no"?>
    <process version="5.1.014">
      <context>
        <input/>
        <output/>
        <macros/>
      </context>
      <operator activated="true" class="process" compatibility="5.1.014" expanded="true" name="Process">
        <process expanded="true" height="579" width="708">
          <operator activated="true" class="retrieve" compatibility="5.1.014" expanded="true" height="60" name="Retrieve" width="90" x="150" y="176">
            <parameter key="repository_entry" value="//Samples/data/Sonar"/>
          </operator>
          <operator activated="true" class="weka:W-Vote" compatibility="5.1.001" expanded="true" height="76" name="W-Vote" width="90" x="313" y="165">
            <process expanded="true" height="639" width="950">
              <operator activated="true" class="weka:W-KStar" compatibility="5.1.001" expanded="true" height="76" name="W-KStar" width="90" x="363" y="216"/>
            </process>
          </operator>
          <connect from_op="Retrieve" from_port="output" to_op="W-Vote" to_port="training set"/>
          <connect from_op="W-Vote" from_port="model" 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>

    Regards,
    Nils
    User: "earmijo"
    earmijo
    New Altair Community Member
    OP
    That was embarrasingly (for me :-)) simple. Thank you very much Nils.
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