how to generate previous date using macro

sgnarkhede2016sgnarkhede2016 Member Posts: 136 Contributor II
edited May 2020 in Help
how to generate previous date using macro

e.g
Today =19/5/2020(date_now() works) 

but how to get 18/5/2020 from generate macro
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Answers

  • lionelderkrikorlionelderkrikor Moderator, RapidMiner Certified Analyst, Member Posts: 1,193 Unicorn
    Hi @sgnarkhede2016

    Please find in attached file , a process which performs your task...

    Regards,

    Lionel
    mschmitz
  • sgnarkhede2016sgnarkhede2016 Member Posts: 136 Contributor II
    blank process

  • lionelderkrikorlionelderkrikor Moderator, RapidMiner Certified Analyst, Member Posts: 1,193 Unicorn
    ?????

    @sgnarkhede2016 , try to import the XML : 

    <?xml version="1.0" encoding="UTF-8"?><process version="9.6.000">
      <context>
        <input/>
        <output/>
        <macros/>
      </context>
      <operator activated="true" class="process" compatibility="9.6.000" expanded="true" name="Process">
        <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="SYSTEM"/>
        <process expanded="true">
          <operator activated="true" class="utility:create_exampleset" compatibility="9.6.000" expanded="true" height="68" name="Create ExampleSet" width="90" x="45" y="34">
            <parameter key="generator_type" value="attribute functions"/>
            <parameter key="number_of_examples" value="100"/>
            <parameter key="use_stepsize" value="false"/>
            <list key="function_descriptions">
              <parameter key="date" value="1"/>
            </list>
            <parameter key="add_id_attribute" value="false"/>
            <list key="numeric_series_configuration"/>
            <list key="date_series_configuration"/>
            <list key="date_series_configuration (interval)"/>
            <parameter key="date_format" value="yyyy-MM-dd HH:mm:ss"/>
            <parameter key="time_zone" value="SYSTEM"/>
            <parameter key="column_separator" value=","/>
            <parameter key="parse_all_as_nominal" value="false"/>
            <parameter key="decimal_point_character" value="."/>
            <parameter key="trim_attribute_names" value="true"/>
          </operator>
          <operator activated="true" class="generate_macro" compatibility="9.6.000" expanded="true" height="82" name="Generate Macro" width="90" x="246" y="34">
            <list key="function_descriptions">
              <parameter key="yesterday" value="date_add(date_now(),-1,DATE_UNIT_DAY)"/>
            </list>
          </operator>
          <operator activated="true" class="generate_attributes" compatibility="9.6.000" expanded="true" height="82" name="Generate Attributes" width="90" x="380" y="34">
            <list key="function_descriptions">
              <parameter key="date" value="%{yesterday}"/>
            </list>
            <parameter key="keep_all" value="true"/>
          </operator>
          <connect from_op="Create ExampleSet" from_port="output" to_op="Generate Macro" to_port="through 1"/>
          <connect from_op="Generate Macro" from_port="through 1" to_op="Generate Attributes" to_port="example set input"/>
          <connect from_op="Generate Attributes" from_port="example set output" 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>
    

    regards,

    Lionel

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