Problem/bug - CV and parameter optimization
New Altair Community Member
Updated by Jocelyn
Hallo
Below is a typical process with embedded parameter optimization subprocess, however it just doesn't work. It looks like a bug,
Best
Marcin
Below is a typical process with embedded parameter optimization subprocess, however it just doesn't work. It looks like a bug,
Best
Marcin
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="5.2.000">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="5.2.000" expanded="true" name="Process">
<process expanded="true" height="361" width="804">
<operator activated="true" class="retrieve" compatibility="5.2.000" expanded="true" height="60" name="Retrieve" width="90" x="49" y="88">
<parameter key="repository_entry" value="//Samples/data/Iris"/>
</operator>
<operator activated="true" class="x_validation" compatibility="5.2.000" expanded="true" height="112" name="Validation" width="90" x="370" y="108">
<description>A cross-validation evaluating a decision tree model.</description>
<process expanded="true" height="483" width="547">
<operator activated="true" class="multiply" compatibility="5.2.000" expanded="true" height="94" name="Multiply" width="90" x="30" y="120"/>
<operator activated="true" class="optimize_parameters_grid" compatibility="5.2.000" expanded="true" height="94" name="Optimize Parameters (Grid)" width="90" x="179" y="30">
<list key="parameters">
<parameter key="SVM_Opti.C" value="[0.001;1000;3;logarithmic]"/>
<parameter key="SVM_Opti.gamma" value="[0.01;1;3;linear]"/>
<parameter key="Normalize_Opti.method" value="Z-transformation,range transformation"/>
</list>
<process expanded="true" height="483" width="844">
<operator activated="true" class="x_validation" compatibility="5.1.002" expanded="true" height="112" name="Validation (2)" width="90" x="190" y="48">
<description>A cross-validation evaluating a decision tree model.</description>
<process expanded="true" height="654" width="466">
<operator activated="true" class="normalize" compatibility="5.2.000" expanded="true" height="94" name="Normalize_Opti" width="90" x="39" y="261">
<parameter key="method" value="range transformation"/>
</operator>
<operator activated="true" class="support_vector_machine_libsvm" compatibility="5.2.000" expanded="true" height="76" name="SVM_Opti" width="90" x="208" y="264">
<parameter key="gamma" value="1.0"/>
<parameter key="C" value="1000.0"/>
<list key="class_weights"/>
</operator>
<operator activated="true" class="group_models" compatibility="5.2.000" expanded="true" height="94" name="Group Models" width="90" x="231" y="19"/>
<connect from_port="training" to_op="Normalize_Opti" to_port="example set input"/>
<connect from_op="Normalize_Opti" from_port="example set output" to_op="SVM_Opti" to_port="training set"/>
<connect from_op="Normalize_Opti" from_port="preprocessing model" to_op="Group Models" to_port="models in 1"/>
<connect from_op="SVM_Opti" from_port="model" to_op="Group Models" to_port="models in 2"/>
<connect from_op="Group Models" from_port="model out" 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" height="654" width="466">
<operator activated="true" class="apply_model" compatibility="5.2.000" expanded="true" height="76" name="Apply Model (2)" width="90" x="45" y="30">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="5.2.000" expanded="true" height="76" name="Performance (2)" width="90" x="179" y="30"/>
<connect from_port="model" to_op="Apply Model (2)" to_port="model"/>
<connect from_port="test set" to_op="Apply Model (2)" to_port="unlabelled data"/>
<connect from_op="Apply Model (2)" from_port="labelled data" to_op="Performance (2)" to_port="labelled data"/>
<connect from_op="Performance (2)" 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"/>
</process>
</operator>
<operator activated="true" class="log" compatibility="5.2.000" expanded="true" height="76" name="Log" width="90" x="417" y="176">
<list key="log">
<parameter key="normalize" value="operator.Normalize_Opti.parameter.method"/>
<parameter key="C" value="operator.SVM_Opti.parameter.C"/>
<parameter key="gamma" value="operator.SVM_Opti.parameter.gamma"/>
<parameter key="acc" value="operator.Validation (2).value.performance"/>
<parameter key="num" value="operator.Optimize Parameters (Grid).value.applycount"/>
</list>
</operator>
<connect from_port="input 1" to_op="Validation (2)" to_port="training"/>
<connect from_op="Validation (2)" from_port="averagable 1" to_op="Log" to_port="through 1"/>
<connect from_op="Log" from_port="through 1" to_port="performance"/>
<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"/>
</process>
</operator>
<operator activated="true" class="set_parameters" compatibility="5.2.000" expanded="true" height="60" name="Set Parameters" width="90" x="313" y="30">
<list key="name_map">
<parameter key="SVM_Opti" value="SVM"/>
<parameter key="Normalize_Opti" value="Normalize"/>
</list>
</operator>
<operator activated="true" class="normalize" compatibility="5.2.000" expanded="true" height="94" name="Normalize" width="90" x="78" y="370"/>
<operator activated="true" class="support_vector_machine_libsvm" compatibility="5.2.000" expanded="true" height="76" name="SVM" width="90" x="246" y="165">
<parameter key="gamma" value="1.0"/>
<parameter key="C" value="1000.0"/>
<list key="class_weights"/>
</operator>
<operator activated="true" class="group_models" compatibility="5.2.000" expanded="true" height="94" name="Group Models (2)" width="90" x="380" y="300"/>
<connect from_port="training" to_op="Multiply" to_port="input"/>
<connect from_op="Multiply" from_port="output 1" to_op="Optimize Parameters (Grid)" to_port="input 1"/>
<connect from_op="Multiply" from_port="output 2" to_op="Normalize" to_port="example set input"/>
<connect from_op="Optimize Parameters (Grid)" from_port="parameter" to_op="Set Parameters" to_port="parameter set"/>
<connect from_op="Normalize" from_port="example set output" to_op="SVM" to_port="training set"/>
<connect from_op="Normalize" from_port="preprocessing model" to_op="Group Models (2)" to_port="models in 1"/>
<connect from_op="SVM" from_port="model" to_op="Group Models (2)" to_port="models in 2"/>
<connect from_op="Group Models (2)" from_port="model out" 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" height="483" width="397">
<operator activated="true" class="apply_model" compatibility="5.2.000" expanded="true" height="76" name="Apply Model" width="90" x="45" y="30">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="5.2.000" expanded="true" height="76" name="Performance" width="90" x="180" y="30"/>
<operator activated="true" class="log" compatibility="5.2.000" expanded="true" height="76" name="Log (2)" width="90" x="199" y="190">
<list key="log">
<parameter key="normalize" value="operator.Normalize.parameter.method"/>
<parameter key="C" value="operator.SVM.parameter.C"/>
<parameter key="gamma" value="operator.SVM.parameter.gamma"/>
<parameter key="acc" value="operator.Performance.value.performance"/>
</list>
</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_op="Log (2)" to_port="through 1"/>
<connect from_op="Log (2)" from_port="through 1" to_port="averagable 1"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="2"/>
<portSpacing port="sink_averagable 1" spacing="0"/>
<portSpacing port="sink_averagable 2" spacing="0"/>
</process>
</operator>
<connect from_op="Retrieve" from_port="output" to_op="Validation" to_port="training"/>
<connect from_op="Validation" from_port="averagable 1" 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>