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spPoincare

  spPoincare creates a Poincare diagram

  Example:
  spPoincare(fhandle, InputName1, InputValue1,....)
  spPoincare(fhandle, InputName1, InputValue1,....)
  or
  out=spPoincare(....)

  where
          fhandle is a valid sigTOOL data view handle
          channels is a sigTOOL channel cell array
          out (if requested) will be a sigTOOLResultData object

  A Poincare diagram plots the interval between successive events as a
  scatter plot i.e. the n+1th interval is plotted against the nth.

  If no output is requested the result will be plotted

  Inputs are string/value pairs
      'Sources'               Vector of source channels
      'Start'                 Start time for processing (in seconds)
      'Stop'                  End time for processing (in seconds)


  A similar analysis can be presented as a colored image though the
  spJointIntervalDistribution function

  See also spJointIntervalDistribution

  -------------------------------------------------------------------------
  Author: Malcolm Lidierth 04/08
  Copyright © The Author & King's College London 2008-
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