De-Normalize

k_vishnu772

HI All,

 

I have small query ,i normalised the data and then applied the model and for test data how can i apply the same normalization and test the data.

 

Could you also please help me out how to denormalize the data to see the original data set.

 

 

Regards,

Vishnu

lionelderkrikor

Hi again @k_vishnu772,

 

And here the complete process with De-Normalization of the test data : 

<?xml version="1.0" encoding="UTF-8"?><process version="9.0.000">
  <context>
    <input/>
    <output/>
    <macros/>
  </context>
  <operator activated="true" class="process" compatibility="9.0.000" expanded="true" name="Process">
    <process expanded="true">
      <operator activated="true" class="retrieve" compatibility="9.0.000" 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="set_role" compatibility="9.0.000" expanded="true" height="82" name="Set Role" width="90" x="179" y="85">
        <parameter key="attribute_name" value="class"/>
        <parameter key="target_role" value="label"/>
        <list key="set_additional_roles"/>
      </operator>
      <operator activated="true" class="concurrency:cross_validation" compatibility="9.0.000" expanded="true" height="145" name="Cross Validation" width="90" x="380" y="85">
        <process expanded="true">
          <operator activated="true" class="normalize" compatibility="9.0.000" expanded="true" height="103" name="Normalize" width="90" x="112" y="136"/>
          <operator activated="true" class="remember" compatibility="9.0.000" expanded="true" height="68" name="Remember" width="90" x="246" y="187">
            <parameter key="name" value="normalize"/>
            <parameter key="io_object" value="AbstractNormalizationModel"/>
          </operator>
          <operator activated="true" class="h2o:logistic_regression" compatibility="9.0.000" expanded="true" height="124" name="Logistic Regression" width="90" x="246" y="34"/>
          <connect from_port="training set" to_op="Normalize" to_port="example set input"/>
          <connect from_op="Normalize" from_port="example set output" to_op="Logistic Regression" to_port="training set"/>
          <connect from_op="Normalize" from_port="preprocessing model" to_op="Remember" to_port="store"/>
          <connect from_op="Remember" from_port="stored" to_port="through 1"/>
          <connect from_op="Logistic Regression" from_port="model" to_port="model"/>
          <portSpacing port="source_training set" spacing="0"/>
          <portSpacing port="sink_model" spacing="0"/>
          <portSpacing port="sink_through 1" spacing="0"/>
          <portSpacing port="sink_through 2" spacing="0"/>
        </process>
        <process expanded="true">
          <operator activated="true" class="apply_model" compatibility="9.0.000" expanded="true" height="82" name="Apply Model" width="90" x="112" y="85">
            <list key="application_parameters"/>
          </operator>
          <operator activated="true" class="apply_model" compatibility="9.0.000" expanded="true" height="82" name="Apply Model (2)" width="90" x="246" y="34">
            <list key="application_parameters"/>
          </operator>
          <operator activated="true" class="performance" compatibility="9.0.000" expanded="true" height="82" name="Performance" width="90" x="380" y="34"/>
          <connect from_port="model" to_op="Apply Model (2)" to_port="model"/>
          <connect from_port="test set" to_op="Apply Model" to_port="unlabelled data"/>
          <connect from_port="through 1" to_op="Apply Model" to_port="model"/>
          <connect from_op="Apply Model" from_port="labelled data" to_op="Apply Model (2)" to_port="unlabelled data"/>
          <connect from_op="Apply Model (2)" from_port="labelled data" to_op="Performance" to_port="labelled data"/>
          <connect from_op="Performance" from_port="performance" to_port="performance 1"/>
          <connect from_op="Performance" from_port="example set" to_port="test set results"/>
          <portSpacing port="source_model" spacing="0"/>
          <portSpacing port="source_test set" spacing="0"/>
          <portSpacing port="source_through 1" spacing="0"/>
          <portSpacing port="source_through 2" spacing="0"/>
          <portSpacing port="sink_test set results" spacing="0"/>
          <portSpacing port="sink_performance 1" spacing="0"/>
          <portSpacing port="sink_performance 2" spacing="0"/>
        </process>
      </operator>
      <operator activated="true" class="recall" compatibility="9.0.000" expanded="true" height="68" name="Recall" width="90" x="514" y="238">
        <parameter key="name" value="normalize"/>
        <parameter key="io_object" value="AbstractNormalizationModel"/>
      </operator>
      <operator activated="true" class="denormalize" compatibility="9.0.000" expanded="true" height="82" name="De-Normalize" width="90" x="715" y="238"/>
      <operator activated="true" class="apply_model" compatibility="9.0.000" expanded="true" height="82" name="Apply Model (3)" width="90" x="916" y="187">
        <list key="application_parameters"/>
      </operator>
      <connect from_op="Retrieve Sonar" from_port="output" to_op="Set Role" to_port="example set input"/>
      <connect from_op="Set Role" from_port="example set output" to_op="Cross Validation" to_port="example set"/>
      <connect from_op="Cross Validation" from_port="model" to_port="result 2"/>
      <connect from_op="Cross Validation" from_port="test result set" to_op="Apply Model (3)" to_port="unlabelled data"/>
      <connect from_op="Cross Validation" from_port="performance 1" to_port="result 1"/>
      <connect from_op="Recall" from_port="result" to_op="De-Normalize" to_port="model input"/>
      <connect from_op="De-Normalize" from_port="model output" to_op="Apply Model (3)" to_port="model"/>
      <connect from_op="Apply Model (3)" from_port="labelled data" to_port="result 3"/>
      <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"/>
      <portSpacing port="sink_result 4" spacing="0"/>
      <portSpacing port="sink_result 5" spacing="0"/>
    </process>
  </operator>
</process>

Regards,

 

Lionel