PMML

<PMML xmlns="https://www.dmg.org/PMML-4_4" version="4.4">
  <Header copyright="www.dmg.org" description="A very small binary tree model to show structure."/>
  <DataDictionary numberOfFields="5">
    <DataField name="temperature" optype="continuous" dataType="double"/>
    <DataField name="humidity" optype="continuous" dataType="double"/>
    <DataField name="windy" optype="categorical" dataType="string">
      <Value value="true"/>
      <Value value="false"/>
    </DataField>
    <DataField name="outlook" optype="categorical" dataType="string">
      <Value value="sunny"/>
      <Value value="overcast"/>
      <Value value="rain"/>
    </DataField>
    <DataField name="whatIdo" optype="categorical" dataType="string">
      <Value value="will play"/>
      <Value value="may play"/>
      <Value value="no play"/>
    </DataField>
  </DataDictionary>
  <TreeModel modelName="golfing" functionName="classification">
    <MiningSchema>
      <MiningField name="temperature"/>
      <MiningField name="humidity"/>
      <MiningField name="windy"/>
      <MiningField name="outlook"/>
      <MiningField name="whatIdo" usageType="target"/>
    </MiningSchema>
    <Node score="will play">
      <True/>
      <Node score="will play">
        <SimplePredicate field="outlook" operator="equal" value="sunny"/>
        <Node score="will play">
          <CompoundPredicate booleanOperator="and">
            <SimplePredicate field="temperature" operator="lessThan" value="90"/>
            <SimplePredicate field="temperature" operator="greaterThan" value="50"/>
          </CompoundPredicate>
          <Node score="will play">
            <SimplePredicate field="humidity" operator="lessThan" value="80"/>
          </Node>
          <Node score="no play">
            <SimplePredicate field="humidity" operator="greaterOrEqual" value="80"/>
          </Node>
        </Node>
        <Node score="no play">
          <CompoundPredicate booleanOperator="or">
            <SimplePredicate field="temperature" operator="greaterOrEqual" value="90"/>
            <SimplePredicate field="temperature" operator="lessOrEqual" value="50"/>
          </CompoundPredicate>
        </Node>
      </Node>
      <Node score="may play">
        <CompoundPredicate booleanOperator="or">
          <SimplePredicate field="outlook" operator="equal" value="overcast"/>
          <SimplePredicate field="outlook" operator="equal" value="rain"/>
        </CompoundPredicate>
        <Node score="may play">
          <CompoundPredicate booleanOperator="and">
            <SimplePredicate field="temperature" operator="greaterThan" value="60"/>
            <SimplePredicate field="temperature" operator="lessThan" value="100"/>
            <SimplePredicate field="outlook" operator="equal" value="overcast"/>
            <SimplePredicate field="humidity" operator="lessThan" value="70"/>
            <SimplePredicate field="windy" operator="equal" value="false"/>
          </CompoundPredicate>
        </Node>
        <Node score="no play">
          <CompoundPredicate booleanOperator="and">
            <SimplePredicate field="outlook" operator="equal" value="rain"/>
            <SimplePredicate field="humidity" operator="lessThan" value="70"/>
          </CompoundPredicate>
        </Node>
      </Node>
    </Node>
  </TreeModel>
</PMML>