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

jems_blint

Hi, 

I have a k-NN, and i want to set the parameter k dynamically how can i achieve that ? 

 

Thank you !

Thomas_Ott

Use the Optimize Parameters operator

Telcontar120

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>