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Ho to do if multiple variable in rapidminer

User: "Hayashi87"
Hayashi87
New Altair Community Member
Updated by Jocelyn

Would like to find out how do i go about doing a if condiiton in rapidminer than have a few attributes evaluate to a value.

Eg if (carbrand == '"BMW" OR "AUDI", "CATEGORYACAR", "B")

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    User: "lionelderkrikor"
    lionelderkrikor
    New Altair Community Member

    Hi @Hayashi87,

     

    You can use the Generate Attribute operator : 

    Here the process : 

    <?xml version="1.0" encoding="UTF-8"?><process version="8.1.000">
      <context>
        <input/>
        <output/>
        <macros/>
      </context>
      <operator activated="true" class="process" compatibility="8.1.000" expanded="true" name="Process">
        <process expanded="true">
          <operator activated="true" class="read_excel" compatibility="8.1.000" expanded="true" height="68" name="Read Excel" width="90" x="112" y="34">
            <parameter key="excel_file" value="C:\Users\Lionel\Documents\Formations_DataScience\Rapidminer\Tests_Rapidminer\If_Or\If_Or.xlsx"/>
            <parameter key="imported_cell_range" value="A1:B10"/>
            <parameter key="first_row_as_names" value="false"/>
            <list key="annotations">
              <parameter key="0" value="Name"/>
            </list>
            <list key="data_set_meta_data_information">
              <parameter key="0" value="Carbrand.true.polynominal.attribute"/>
              <parameter key="1" value="Category.true.attribute_value.attribute"/>
            </list>
          </operator>
          <operator activated="true" class="generate_attributes" compatibility="8.1.000" expanded="true" height="82" name="Generate Attributes" width="90" x="313" y="34">
            <list key="function_descriptions">
              <parameter key="Category" value="if(Carbrand==&quot;BMW&quot;||Carbrand==&quot;Audi&quot;,&quot;A&quot;,&quot;B&quot;)"/>
            </list>
          </operator>
          <connect from_op="Read Excel" from_port="output" 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="sink_result 1" spacing="0"/>
          <portSpacing port="sink_result 2" spacing="0"/>
        </process>
      </operator>
    </process>

    Regards, 

     

    Lionel

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