<?xml version="1.0" encoding="UTF-8"?><process version="10.5.000">
  <context>
    <input/>
    <output/>
    <macros/>
  </context>
  <operator activated="true" class="process" compatibility="10.5.000" expanded="true" name="Process" origin="GENERATED_TUTORIAL">
    <parameter key="logverbosity" value="init"/>
    <parameter key="random_seed" value="2001"/>
    <parameter key="send_mail" value="never"/>
    <parameter key="notification_email" value=""/>
    <parameter key="process_duration_for_mail" value="30"/>
    <parameter key="encoding" value="UTF-8"/>
    <process expanded="true">
      <operator activated="true" class="retrieve" compatibility="10.5.000" expanded="true" height="68" name="Polynomial" origin="GENERATED_TUTORIAL" width="90" x="45" y="120">
        <parameter key="repository_entry" value="//Samples/data/Polynomial"/>
      </operator>
      <operator activated="true" class="filter_example_range" compatibility="10.5.000" expanded="true" height="82" name="Filter Example Range" origin="GENERATED_TUTORIAL" width="90" x="179" y="120">
        <parameter key="first_example" value="1"/>
        <parameter key="last_example" value="100"/>
        <parameter key="invert_filter" value="false"/>
      </operator>
      <operator activated="true" class="linear_regression" compatibility="10.5.000" expanded="true" height="103" name="Linear Regression" origin="GENERATED_TUTORIAL" width="90" x="313" y="120">
        <parameter key="feature_selection" value="M5 prime"/>
        <parameter key="alpha" value="0.05"/>
        <parameter key="max_iterations" value="10"/>
        <parameter key="forward_alpha" value="0.05"/>
        <parameter key="backward_alpha" value="0.05"/>
        <parameter key="eliminate_colinear_features" value="true"/>
        <parameter key="min_tolerance" value="0.05"/>
        <parameter key="use_bias" value="true"/>
        <parameter key="ridge" value="1.0E-8"/>
      </operator>
      <operator activated="true" class="retrieve" compatibility="10.5.000" expanded="true" height="68" name="Polynomial (2)" origin="GENERATED_TUTORIAL" width="90" x="179" y="255">
        <parameter key="repository_entry" value="//Samples/data/Polynomial"/>
      </operator>
      <operator activated="true" class="filter_example_range" compatibility="10.5.000" expanded="true" height="82" name="Filter Example Range (2)" origin="GENERATED_TUTORIAL" width="90" x="313" y="255">
        <parameter key="first_example" value="1"/>
        <parameter key="last_example" value="100"/>
        <parameter key="invert_filter" value="true"/>
      </operator>
      <operator activated="true" class="apply_model" compatibility="10.5.000" expanded="true" height="82" name="Apply Model" origin="GENERATED_TUTORIAL" width="90" x="447" y="120">
        <list key="application_parameters"/>
      </operator>
      <operator activated="true" class="performance_regression" compatibility="10.5.000" expanded="true" height="82" name="Performance" origin="GENERATED_TUTORIAL" width="90" x="581" y="136">
        <parameter key="main_criterion" value="first"/>
        <parameter key="root_mean_squared_error" value="false"/>
        <parameter key="absolute_error" value="true"/>
        <parameter key="relative_error" value="false"/>
        <parameter key="relative_error_lenient" value="false"/>
        <parameter key="relative_error_strict" value="false"/>
        <parameter key="normalized_absolute_error" value="false"/>
        <parameter key="root_relative_squared_error" value="false"/>
        <parameter key="squared_error" value="false"/>
        <parameter key="correlation" value="false"/>
        <parameter key="squared_correlation" value="false"/>
        <parameter key="prediction_average" value="true"/>
        <parameter key="spearman_rho" value="false"/>
        <parameter key="kendall_tau" value="false"/>
        <parameter key="skip_undefined_labels" value="true"/>
        <parameter key="use_example_weights" value="true"/>
      </operator>
      <operator activated="true" class="blending:generate_columns" compatibility="10.5.000" expanded="true" height="82" name="Generate Attributes" width="90" x="514" y="289">
        <list key="function_descriptions">
          <parameter key="Residual" value="abs([prediction(label)]-label)"/>
        </list>
        <parameter key="keep_all_columns" value="true"/>
        <parameter key="default_time_zone" value="Europe/London"/>
      </operator>
      <operator activated="true" class="aggregate" compatibility="10.5.000" expanded="true" height="82" name="Aggregate" width="90" x="648" y="289">
        <parameter key="use_default_aggregation" value="false"/>
        <parameter key="attribute_filter_type" value="all"/>
        <parameter key="attribute" value=""/>
        <parameter key="attributes" value=""/>
        <parameter key="use_except_expression" value="false"/>
        <parameter key="value_type" value="attribute_value"/>
        <parameter key="use_value_type_exception" value="false"/>
        <parameter key="except_value_type" value="time"/>
        <parameter key="block_type" value="attribute_block"/>
        <parameter key="use_block_type_exception" value="false"/>
        <parameter key="except_block_type" value="value_matrix_row_start"/>
        <parameter key="invert_selection" value="false"/>
        <parameter key="include_special_attributes" value="false"/>
        <parameter key="default_aggregation_function" value="average"/>
        <list key="aggregation_attributes">
          <parameter key="Residual" value="average"/>
        </list>
        <parameter key="group_by_attributes" value=""/>
        <parameter key="count_all_combinations" value="false"/>
        <parameter key="only_distinct" value="false"/>
        <parameter key="ignore_missings" value="true"/>
      </operator>
      <connect from_op="Polynomial" from_port="output" to_op="Filter Example Range" to_port="example set input"/>
      <connect from_op="Filter Example Range" from_port="example set output" to_op="Linear Regression" to_port="training set"/>
      <connect from_op="Linear Regression" from_port="model" to_op="Apply Model" to_port="model"/>
      <connect from_op="Polynomial (2)" from_port="output" to_op="Filter Example Range (2)" to_port="example set input"/>
      <connect from_op="Filter Example Range (2)" from_port="example set output" 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="result 1"/>
      <connect from_op="Performance" from_port="example set" to_op="Generate Attributes" to_port="table input"/>
      <connect from_op="Generate Attributes" from_port="table output" to_op="Aggregate" to_port="example set input"/>
      <connect from_op="Aggregate" from_port="example set output" to_port="result 2"/>
      <portSpacing port="source_input 1" spacing="0"/>
      <portSpacing port="sink_result 1" spacing="90"/>
      <portSpacing port="sink_result 2" spacing="0"/>
      <portSpacing port="sink_result 3" spacing="0"/>
      <description align="center" color="yellow" colored="false" height="156" resized="true" width="340" x="465" y="256">Manual calculation to confirm</description>
    </process>
  </operator>
</process>
