Missing output of "Loop Parameters" operator

qwertzqwertz Member Posts: 130 Contributor II


Hello,

I discovered that the "Loop Parameters" operator has capability in the inner nested part to take "performance" output.
However, on the outside the operator does not provide "performance" any longer, so that it is not possible to connect performance to the overall process result.

could this be a bug?



Regards
Sachs


<?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="414" width="346">
      <operator activated="true" class="loop_parameters" compatibility="5.2.003" expanded="true" height="94" name="Loop Parameters" width="90" x="246" y="30">
        <list key="parameters">
          <parameter key="Windowing.label_attribute" value="DAX,Gold"/>
        </list>
        <process expanded="true" height="416" width="748">
          <operator activated="true" class="series:windowing" compatibility="5.1.002" expanded="true" height="76" name="Windowing (2)" width="90" x="45" y="165">
            <parameter key="window_size" value="1"/>
          </operator>
          <operator activated="true" class="series:windowing" compatibility="5.1.002" expanded="true" height="76" name="Windowing" width="90" x="45" y="30">
            <parameter key="horizon" value="1"/>
            <parameter key="window_size" value="1"/>
            <parameter key="create_label" value="true"/>
            <parameter key="label_attribute" value="Gold"/>
          </operator>
          <operator activated="true" class="series:sliding_window_validation" compatibility="5.1.002" expanded="true" height="112" name="Validation" width="90" x="179" y="30">
            <parameter key="training_window_width" value="4"/>
            <parameter key="training_window_step_size" value="2"/>
            <parameter key="test_window_width" value="4"/>
            <parameter key="horizon" value="2"/>
            <process expanded="true" height="371" width="321">
              <operator activated="true" class="support_vector_machine" compatibility="5.2.003" expanded="true" height="112" name="SVM" width="90" x="115" y="30"/>
              <connect from_port="training" to_op="SVM" to_port="training set"/>
              <connect from_op="SVM" from_port="model" to_port="model"/>
              <portSpacing port="source_training" spacing="0"/>
              <portSpacing port="sink_model" spacing="0"/>
              <portSpacing port="sink_through 1" spacing="0"/>
            </process>
            <process expanded="true" height="371" width="321">
              <operator activated="true" class="apply_model" compatibility="5.2.003" expanded="true" height="76" name="Apply Model" width="90" x="45" y="30">
                <list key="application_parameters"/>
              </operator>
              <operator activated="true" class="series:forecasting_performance" compatibility="5.1.002" expanded="true" height="76" name="Performance" width="90" x="183" y="30">
                <parameter key="horizon" value="1"/>
              </operator>
              <connect from_port="model" to_op="Apply Model" to_port="model"/>
              <connect from_port="test set" to_op="Apply Model" to_port="unlabelled data"/>
              <connect from_op="Apply Model" from_port="labelled data" to_op="Performance" to_port="labelled data"/>
              <connect from_op="Performance" from_port="performance" to_port="averagable 1"/>
              <portSpacing port="source_model" spacing="0"/>
              <portSpacing port="source_test set" spacing="0"/>
              <portSpacing port="source_through 1" spacing="0"/>
              <portSpacing port="sink_averagable 1" spacing="0"/>
              <portSpacing port="sink_averagable 2" spacing="0"/>
            </process>
          </operator>
          <operator activated="true" class="apply_model" compatibility="5.2.003" expanded="true" height="76" name="Apply Model (2)" width="90" x="313" y="165">
            <list key="application_parameters"/>
          </operator>
          <operator activated="true" class="generate_attributes" compatibility="5.2.003" expanded="true" height="76" name="Generate Attributes" width="90" x="447" y="165">
            <list key="function_descriptions">
              <parameter key="Tag" value="param(&quot;Windowing&quot;, &quot;label_attribute&quot;)"/>
            </list>
          </operator>
          <connect from_port="input 1" to_op="Windowing" to_port="example set input"/>
          <connect from_port="input 2" to_op="Windowing (2)" to_port="example set input"/>
          <connect from_op="Windowing (2)" from_port="example set output" to_op="Apply Model (2)" to_port="unlabelled data"/>
          <connect from_op="Windowing" from_port="example set output" to_op="Validation" to_port="training"/>
          <connect from_op="Validation" from_port="model" to_op="Apply Model (2)" to_port="model"/>
          <connect from_op="Validation" from_port="averagable 1" to_port="performance"/>
          <connect from_op="Apply Model (2)" from_port="labelled data" to_op="Generate Attributes" to_port="example set input"/>
          <connect from_op="Generate Attributes" from_port="example set output" to_port="result 1"/>
          <portSpacing port="source_input 1" spacing="0"/>
          <portSpacing port="source_input 2" spacing="0"/>
          <portSpacing port="source_input 3" spacing="0"/>
          <portSpacing port="sink_performance" spacing="72"/>
          <portSpacing port="sink_result 1" spacing="0"/>
          <portSpacing port="sink_result 2" spacing="0"/>
        </process>
      </operator>
      <connect from_op="Loop Parameters" from_port="result 1" 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>

PS: I cut the input in order to not confuse with lots of operators.
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