fft.xml

<Simulation verbosity="debug">
  <RunInfo>
    <WorkingDir>data/ERCOT_2021/</WorkingDir>
    <Sequence>read,process</Sequence>
  </RunInfo>

  <Files>
    <Input name="inFile">Data.csv</Input>
  </Files>

  <Models>
    <PostProcessor name="fft" subType="FastFourierTransform">
      <target>TOTALLOAD</target>
    </PostProcessor>
  </Models>

  <Steps>
    <IOStep name="read">
      <Input class="Files" type="">inFile</Input>
      <Output class="DataObjects" type="HistorySet">inData</Output>
    </IOStep>
    <PostProcess name="process" pauseAtEnd="False">
      <Input class="DataObjects" type="HistorySet">inData</Input>
      <Model class="Models" type="PostProcessor">fft</Model>
      <Output class="DataObjects" type="HistorySet">fft_out</Output>
      <Output class="OutStreams" type="Print">fft_final</Output>
    </PostProcess>
  </Steps>

  <OutStreams>
    <Print name="fft_final">
      <type>csv</type>
      <source>fft_out</source>
    </Print>
  </OutStreams>

  <DataObjects>
    <HistorySet name="inData">
      <Input>placeholder</Input>
      <Output>TOTALLOAD, HOUR</Output>
      <options>
        <pivotParameter>HOUR</pivotParameter>
      </options>
    </HistorySet>
    <HistorySet name="fft_out">
      <Output>TOTALLOAD_fft_period,TOTALLOAD_fft_amplitude</Output>
      <options>
        <pivotParameter>TOTALLOAD_fft_frequency</pivotParameter>
      </options>
    </HistorySet>
  </DataObjects>

</Simulation>