Incompatible roles

Vrabec

Hello,

i am trying to visualize test set data and prediction of Holt Winters with use of union operator. I have splited the data and used the same conditions in set role for both data sets, but still get an error "Incompatible roles" for label attribute.

<?xml version="1.0" encoding="UTF-8"?><process version="10.1.001">

  <context>

    <input/>

    <output/>

    <macros/>

  </context>

  <operator activated="true" class="process" compatibility="9.4.000" expanded="true" name="Process" origin="GENERATED_TUTORIAL">

    <parameter key="logverbosity" value="init"/>

    <parameter key="random_seed" value="2001"/>

    <parameter key="send_mail" value="never"/>

    <parameter key="notification_email" value=""/>

    <parameter key="process_duration_for_mail" value="30"/>

    <parameter key="encoding" value="SYSTEM"/>

    <process expanded="true">

      <operator activated="true" class="retrieve" compatibility="10.1.001" expanded="true" height="68" name="Retrieve podatkiDnevni171819" width="90" x="45" y="34">

        <parameter key="repository_entry" value="../Podatki/DnevniPodatki171819/podatkiDnevni171819"/>

      </operator>

      <operator activated="true" class="blending:set_role" compatibility="10.1.001" expanded="true" height="82" name="Set Role" width="90" x="179" y="34">

        <list key="set_roles">

          <parameter key="ATP_Base" value="label"/>

          <parameter key="Date" value="id"/>

        </list>

      </operator>

      <operator activated="true" class="filter_examples" compatibility="10.1.001" expanded="true" height="103" name="Filter Examples (2)" width="90" x="313" y="34">

        <parameter key="parameter_expression" value=""/>

        <parameter key="condition_class" value="custom_filters"/>

        <parameter key="invert_filter" value="false"/>

        <list key="filters_list">

          <parameter key="filters_entry_key" value="Date.le.01/01/2019"/>

        </list>

        <parameter key="filters_logic_and" value="true"/>

        <parameter key="filters_check_metadata" value="true"/>

      </operator>

      <operator activated="true" class="time_series:holt-winters_trainer" compatibility="10.1.000" expanded="true" height="82" name="Holt-Winters" width="90" x="514" y="34">

        <parameter key="time_series_attribute" value="ATP_Base"/>

        <parameter key="has_indices" value="true"/>

        <parameter key="indices_attribute" value="Date"/>

        <parameter key="sort_time_series" value="true"/>

        <parameter key="alpha:_coefficient_for_level_smoothing" value="0.5"/>

        <parameter key="beta:_coefficient_for_trend_smoothing" value="0.1"/>

        <parameter key="gamma:_coefficient_for_seasonality_smoothing" value="0.5"/>

        <parameter key="period:_length_of_one_period" value="12"/>

        <parameter key="seasonality_model" value="additive"/>

      </operator>

      <operator activated="true" class="time_series:apply_forecast" compatibility="10.1.000" expanded="true" height="82" name="Apply Forecast" width="90" x="648" y="34">

        <parameter key="forecast_horizon" value="30"/>

        <parameter key="add_original_time_series" value="true"/>

        <parameter key="add_combined_time_series" value="true"/>

      </operator>

      <operator activated="false" class="blending:generate_columns" compatibility="10.1.001" expanded="true" height="82" name="Generate Attributes" width="90" x="380" y="442">

        <list key="function_descriptions"/>

        <parameter key="keep_all_columns" value="true"/>

      </operator>

      <operator activated="false" class="retrieve" compatibility="10.1.001" expanded="true" height="68" name="Retrieve podatkiDnevni171819 (2)" width="90" x="380" y="340">

        <parameter key="repository_entry" value="../Podatki/DnevniPodatki171819/podatkiDnevni171819"/>

      </operator>

      <operator activated="true" class="blending:set_role" compatibility="10.1.001" expanded="true" height="82" name="Set Role (2)" width="90" x="648" y="340">

        <list key="set_roles">

          <parameter key="Date" value="id"/>

          <parameter key="ATP_Base" value="label"/>

        </list>

      </operator>

      <operator activated="true" class="union" compatibility="10.1.001" expanded="true" height="82" name="Union" width="90" x="916" y="34"/>

      <connect from_op="Retrieve podatkiDnevni171819" from_port="output" to_op="Set Role" to_port="example set input"/>

      <connect from_op="Set Role" from_port="example set output" to_op="Filter Examples (2)" to_port="example set input"/>

      <connect from_op="Filter Examples (2)" from_port="example set output" to_op="Holt-Winters" to_port="example set"/>

      <connect from_op="Filter Examples (2)" from_port="original" to_op="Set Role (2)" to_port="example set input"/>

      <connect from_op="Holt-Winters" from_port="forecast model" to_op="Apply Forecast" to_port="forecast model"/>

      <connect from_op="Apply Forecast" from_port="example set" to_op="Union" to_port="example set 1"/>

      <connect from_op="Set Role (2)" from_port="example set output" to_op="Union" to_port="example set 2"/>

      <connect from_op="Union" from_port="union" 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"/>

      <description align="center" color="yellow" colored="false" height="145" resized="false" width="180" x="271" y="123">Building a Holt-winters forecast model for the monthly milk production.&lt;br/&gt;&lt;br/&gt;As there are monthly data over several years, the period is 12, one year.</description>

    </process>

  </operator>

</process>

ruhaila

Perhaps share the data file? Its easier to troubleshoot.