"problems about process documents from data"

yfshiyfshi Member Posts: 2 Contributor I
edited May 2019 in Help
I have used the operator"process documents from data". But it shows "Mandatory input missing at port Process Documents from Data.document 1". Then I add three operators in the superoperater, it doesn't work. Thx for your help!


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    IngoRMIngoRM Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, Community Manager, RMResearcher, Member, University Professor Posts: 1,751 RM Founder

    well, you did not seem to define all connections in a correct way. Here is a simple example process:

    <?xml version="1.0" encoding="UTF-8" standalone="no"?>
    <process version="5.1.006">
      <operator activated="true" class="process" compatibility="5.1.006" expanded="true" name="Process">
        <process expanded="true" height="206" width="480">
          <operator activated="true" class="retrieve" compatibility="5.1.006" expanded="true" height="60" name="Retrieve" width="90" x="45" y="30">
            <parameter key="repository_entry" value="//Samples/data/Golf"/>
          <operator activated="true" class="nominal_to_text" compatibility="5.1.006" expanded="true" height="76" name="Nominal to Text" width="90" x="179" y="30">
            <parameter key="attribute_filter_type" value="single"/>
            <parameter key="attribute" value="Outlook"/>
          <operator activated="true" class="text:process_document_from_data" compatibility="5.1.001" expanded="true" height="76" name="Process Documents from Data" width="90" x="313" y="30">
            <parameter key="keep_text" value="true"/>
            <list key="specify_weights"/>
            <process expanded="true" height="744" width="887">
              <operator activated="true" class="text:tokenize" compatibility="5.1.001" expanded="true" height="60" name="Tokenize" width="90" x="45" y="30"/>
              <connect from_port="document" to_op="Tokenize" to_port="document"/>
              <connect from_op="Tokenize" from_port="document" to_port="document 1"/>
              <portSpacing port="source_document" spacing="0"/>
              <portSpacing port="sink_document 1" spacing="0"/>
              <portSpacing port="sink_document 2" spacing="0"/>
          <connect from_op="Retrieve" from_port="output" to_op="Nominal to Text" to_port="example set input"/>
          <connect from_op="Nominal to Text" from_port="example set output" to_op="Process Documents from Data" to_port="example set"/>
          <connect from_op="Process Documents from Data" 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"/>
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