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Locally Weighted Scatterplot Smoothing (LOWESS)
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:doc:`/WorkProcessClassifiers/LocalAlgorithm/index`

*LOWESS* algorithm smoothes the data based on locally weighted polynomial regression.

.. rubric:: Tool Support

* :doc:`/Tools/ExcelTool/index`

* :doc:`/Tools/MatlabTool/index`

  For details refer to the online documentation of the function `http://www.mathworks.de/de/help/curvefit/smooth.html <http://www.mathworks.de/de/help/curvefit/smooth.html>`__.

* :doc:`/Tools/RTool/index`

  For details refer to the online documentation of the function `http://stat.ethz.ch/R-manual/R-patched/library/stats/html/loess.html <http://stat.ethz.ch/R-manual/R-patched/library/stats/html/loess.html>`__.

  

.. rubric:: Single Steps using the Algorithm

* :doc:`/DataPreprocessing/DataCleaning/DataDenoising/DataDenoisingWithLOWESS/index`

.. rubric:: References

- W.S.\  Cleveland, LOWESS: A program for smoothing scatterplots by robust locally weighted regression, The American Statistician, vol. 35 (1), pp. 54, 1981.

- W.S.\  Cleveland, Robust Locally Weighted Regression and Smoothing Scatterplots, Journal of the American Statistical Association, vol. 74 (368), pp. 829-836, 1979.

  `http://www.people.fas.harvard.edu/~gov2000/Handouts/lowess.pdf <http://www.people.fas.harvard.edu/~gov2000/Handouts/lowess.pdf>`__

- W.S.\  Cleveland, S.J. Devlin, Locally-Weighted Regression: An Approach to Regression Analysis by Local Fitting, Journal of the American Statistical Association, vol. 83 (403), pp. 596-610, 1988.

  `http://www.econ.pdx.edu/faculty/KPL/readings/cleveland88.pdf <http://www.econ.pdx.edu/faculty/KPL/readings/cleveland88.pdf>`__