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"X-validation problem"
Contributor I
Hi,
I have problem with X-Validation. The problem occurred when I update new version 5.103. I can not use numerical label in train data. Message is : "X-Validation cannot hadle numerical label." But all was ok in last verison ... where is error?
Simple example:
I have problem with X-Validation. The problem occurred when I update new version 5.103. I can not use numerical label in train data. Message is : "X-Validation cannot hadle numerical label." But all was ok in last verison ... where is error?
Simple example:
Thank you for your answers
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="5.1.003">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="5.1.003" expanded="true" name="Process">
<process expanded="true" height="650" width="710">
<operator activated="true" class="retrieve" compatibility="5.1.003" expanded="true" height="60" name="Retrieve" width="90" x="61" y="111">
<parameter key="repository_entry" value="DB9"/>
</operator>
<operator activated="true" class="x_validation" compatibility="5.1.003" expanded="true" height="112" name="Validation" width="90" x="313" y="120">
<process expanded="true" height="650" width="330">
<operator activated="true" class="neural_net" compatibility="5.1.003" expanded="true" height="76" name="Neural Net" width="90" x="112" y="30">
<list key="hidden_layers"/>
</operator>
<connect from_port="training" to_op="Neural Net" to_port="training set"/>
<connect from_op="Neural Net" 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" height="650" width="330">
<operator activated="true" class="apply_model" compatibility="5.1.003" expanded="true" height="76" name="Apply Model" width="90" x="45" y="30">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance_regression" compatibility="5.1.003" expanded="true" height="76" name="Performance" width="90" x="179" y="30"/>
<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"/>
</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>
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0
Answers
think you have the same problem like I suffered two weeks ago.
http://rapid-i.com/rapidforum/index.php/topic,3135.msg12409.html#msg12409
You must not use the sampling type: "stratified sampling ".
yes that's the problem. Without nominal label that defines classes you cannot afford to build stratified samples...
Greetings,
Sebastian