Set a the param (k) for the k-NN operator

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  Thomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,761 Unicorn

  July 2017

  Use the Optimize Parameters operator

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  Telcontar120 Moderator, RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,635 Unicorn

  July 2017

  You could use Loop Parameters, see the attached sample process.

   

  <?xml version="1.0" encoding="UTF-8"?><process version="7.5.003">
  <context>
  <input/>
  <output/>
  <macros/>
  </context>
  <operator activated="true" class="process" compatibility="7.5.003" expanded="true" name="Process">
  <process expanded="true">
  <operator activated="true" class="retrieve" compatibility="7.5.003" expanded="true" height="68" name="Retrieve Sonar" width="90" x="45" y="85">
  <parameter key="repository_entry" value="//Samples/data/Sonar"/>
  </operator>
  <operator activated="true" class="loop_parameters" compatibility="7.5.003" expanded="true" height="103" name="Loop Parameters" width="90" x="246" y="85">
  <list key="parameters">
  <parameter key="Clustering.k" value="[2.0;10;8;linear]"/>
  </list>
  <process expanded="true">
  <operator activated="true" class="k_means" compatibility="7.5.003" expanded="true" height="82" name="Clustering" width="90" x="313" y="85">
  <parameter key="k" value="10"/>
  </operator>
  <connect from_port="input 1" to_op="Clustering" to_port="example set"/>
  <connect from_op="Clustering" from_port="cluster model" to_port="result 1"/>
  <connect from_op="Clustering" from_port="clustered set" to_port="result 2"/>
  <portSpacing port="source_input 1" spacing="0"/>
  <portSpacing port="source_input 2" spacing="0"/>
  <portSpacing port="sink_performance" spacing="0"/>
  <portSpacing port="sink_result 1" spacing="0"/>
  <portSpacing port="sink_result 2" spacing="0"/>
  <portSpacing port="sink_result 3" spacing="0"/>
  </process>
  </operator>
  <connect from_op="Retrieve Sonar" from_port="output" to_op="Loop Parameters" to_port="input 1"/>
  <connect from_op="Loop Parameters" from_port="result 1" to_port="result 1"/>
  <connect from_op="Loop Parameters" from_port="result 2" to_port="result 2"/>
  <portSpacing port="source_input 1" spacing="0"/>
  <portSpacing port="sink_result 1" spacing="0"/>
  <portSpacing port="sink_result 2" spacing="0"/>
  <portSpacing port="sink_result 3" spacing="0"/>
  </process>
  </operator>
  </process>

   

  Brian T.
  Lindon Ventures 
  Data Science Consulting from Certified RapidMiner Experts

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