Classifiying text data using SVM

preethy
preethy New Altair Community Member
edited November 5 in Altair RapidMiner
Hello,

I have a process chain which takes in documents from files and does some preprocessing on them. This is given as input to the validator which has a modelling operator. I am not able to use SVM here. Could you please tell me how can I use SVM here?
<?xml version="1.0" encoding="UTF-8" standalone="no"?> I am attaching my process XML here.


<process version="5.3.013">
  <context>
    <input/>
    <output/>
    <macros/>
  </context>
  <operator activated="true" class="process" compatibility="5.3.013" expanded="true" name="Process">
    <process expanded="true">
      <operator activated="true" class="text:process_document_from_file" compatibility="5.3.002" expanded="true" height="76" name="Process Documents from Files (2)" width="90" x="45" y="30">
        <list key="text_directories">
          <parameter key="bus_stop" value="C:\Users\w44ylqrl\Citizen\Data\bmtc\categories\bus_stop"/>
          <parameter key="crew_misbehaviour" value="C:\Users\w44ylqrl\Citizen\Data\bmtc\categories\crew_misbehaviour"/>
          <parameter key="frequency" value="C:\Users\w44ylqrl\Citizen\Data\bmtc\categories\frequency"/>
          <parameter key="shelter" value="C:\Users\w44ylqrl\Citizen\Data\bmtc\categories\shelter"/>
        </list>
        <parameter key="datamanagement" value="double_array"/>
        <process expanded="true">
          <operator activated="true" class="text:filter_tokens_by_pos" compatibility="5.3.002" expanded="true" height="60" name="Filter Tokens (2)" width="90" x="45" y="30">
            <parameter key="expression" value="NNP.*"/>
            <parameter key="invert_filter" value="true"/>
          </operator>
          <operator activated="true" class="text:replace_tokens" compatibility="5.3.002" expanded="true" height="60" name="Replace Tokens (2)" width="90" x="180" y="30">
            <list key="replace_dictionary">
              <parameter key="(https|http|ftp|file)://[-a-zA-Z0-9+&amp;@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&amp;@#/%=~_|]" value="="/>
              <parameter key="&amp;amp;" value="="/>
              <parameter key="@[-a-zA-Z0-9+&amp;amp;@#/%?=~_|!:,.;]*" value="="/>
              <parameter key="[^A-Za-z]" value="="/>
              <parameter key="\s[\s]+" value="="/>
            </list>
          </operator>
          <operator activated="true" class="text:tokenize" compatibility="5.3.002" expanded="true" height="60" name="Tokenize (2)" width="90" x="315" y="30">
            <parameter key="characters" value=".  &quot; ! ? -"/>
          </operator>
          <operator activated="true" class="text:transform_cases" compatibility="5.3.002" expanded="true" height="60" name="Transform Cases (2)" width="90" x="450" y="30"/>
          <operator activated="true" class="text:filter_stopwords_dictionary" compatibility="5.3.002" expanded="true" height="76" name="Filter Stopwords (Dictionary)" width="90" x="45" y="120">
            <parameter key="file" value="C:\Users\w44ylqrl\CitiZen_Java\org.xerox.citizen.categorizzation\data\stopWordList2.csv"/>
          </operator>
          <operator activated="true" class="text:remove_document_parts" compatibility="5.3.002" expanded="true" height="60" name="Remove Document Parts" width="90" x="180" y="120">
            <parameter key="deletion_regex" value="="/>
          </operator>
          <operator activated="true" class="text:stem_porter" compatibility="5.3.002" expanded="true" height="60" name="Stem (Porter)" width="90" x="315" y="120"/>
          <operator activated="true" class="text:filter_stopwords_dictionary" compatibility="5.3.002" expanded="true" height="76" name="Filter Stopwords (2)" width="90" x="447" y="120">
            <parameter key="file" value="C:\Users\w44ylqrl\CitiZen_Java\org.xerox.citizen.categorizzation\data\correctedDomainWords.csv"/>
          </operator>
          <operator activated="true" class="text:filter_by_length" compatibility="5.3.002" expanded="true" height="60" name="Filter Tokens (3)" width="90" x="45" y="255">
            <parameter key="max_chars" value="15"/>
          </operator>
          <operator activated="true" class="text:generate_n_grams_terms" compatibility="5.3.002" expanded="true" height="60" name="Generate n-Grams (Terms)" width="90" x="447" y="255">
            <parameter key="max_length" value="3"/>
          </operator>
          <connect from_port="document" to_op="Filter Tokens (2)" to_port="document"/>
          <connect from_op="Filter Tokens (2)" from_port="document" to_op="Replace Tokens (2)" to_port="document"/>
          <connect from_op="Replace Tokens (2)" from_port="document" to_op="Tokenize (2)" to_port="document"/>
          <connect from_op="Tokenize (2)" from_port="document" to_op="Transform Cases (2)" to_port="document"/>
          <connect from_op="Transform Cases (2)" from_port="document" to_op="Filter Stopwords (Dictionary)" to_port="document"/>
          <connect from_op="Filter Stopwords (Dictionary)" from_port="document" to_op="Remove Document Parts" to_port="document"/>
          <connect from_op="Remove Document Parts" from_port="document" to_op="Stem (Porter)" to_port="document"/>
          <connect from_op="Stem (Porter)" from_port="document" to_op="Filter Stopwords (2)" to_port="document"/>
          <connect from_op="Filter Stopwords (2)" from_port="document" to_op="Filter Tokens (3)" to_port="document"/>
          <connect from_op="Filter Tokens (3)" from_port="document" to_op="Generate n-Grams (Terms)" to_port="document"/>
          <connect from_op="Generate n-Grams (Terms)" 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"/>
        </process>
      </operator>
      <operator activated="true" class="select_attributes" compatibility="5.3.013" expanded="true" height="76" name="Select Attributes" width="90" x="246" y="210">
        <parameter key="attribute_filter_type" value="no_missing_values"/>
      </operator>
      <operator activated="true" class="set_role" compatibility="5.3.013" expanded="true" height="76" name="Set Role" width="90" x="380" y="210">
        <parameter key="attribute_name" value="label"/>
        <parameter key="target_role" value="label"/>
        <list key="set_additional_roles"/>
      </operator>
      <operator activated="true" class="x_validation" compatibility="5.3.013" expanded="true" height="130" name="Validation" width="90" x="313" y="480">
        <process expanded="true">
          <operator activated="true" class="support_vector_machine_linear" compatibility="5.3.013" expanded="true" height="76" name="SVM (Linear)" width="90" x="112" y="300"/>
          <connect from_port="training" to_op="SVM (Linear)" to_port="training set"/>
          <connect from_op="SVM (Linear)" 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">
          <operator activated="true" class="apply_model" compatibility="5.3.013" expanded="true" height="76" name="Apply Model" width="90" x="45" y="30">
            <list key="application_parameters"/>
          </operator>
          <operator activated="true" class="performance_classification" compatibility="5.3.013" expanded="true" height="76" name="Performance" width="90" x="174" y="30">
            <list key="class_weights"/>
          </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"/>
          <portSpacing port="sink_averagable 3" spacing="0"/>
        </process>
      </operator>
      <connect from_port="input 1" to_op="Process Documents from Files (2)" to_port="word list"/>
      <connect from_op="Process Documents from Files (2)" from_port="example set" to_op="Select Attributes" to_port="example set input"/>
      <connect from_op="Process Documents from Files (2)" from_port="word list" to_port="result 1"/>
      <connect from_op="Select Attributes" from_port="example set output" to_op="Set Role" to_port="example set input"/>
      <connect from_op="Set Role" from_port="example set output" to_op="Validation" to_port="training"/>
      <connect from_op="Validation" from_port="model" to_port="result 2"/>
      <connect from_op="Validation" from_port="training" to_port="result 3"/>
      <connect from_op="Validation" from_port="averagable 1" to_port="result 4"/>
      <connect from_op="Validation" from_port="averagable 2" to_port="result 5"/>
      <portSpacing port="source_input 1" spacing="0"/>
      <portSpacing port="source_input 2" spacing="0"/>
      <portSpacing port="sink_result 1" spacing="0"/>
      <portSpacing port="sink_result 2" spacing="0"/>
      <portSpacing port="sink_result 3" spacing="0"/>
      <portSpacing port="sink_result 4" spacing="0"/>
      <portSpacing port="sink_result 5" spacing="0"/>
      <portSpacing port="sink_result 6" spacing="0"/>
    </process>
  </operator>
</process>