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Implementing interactive computing in an object-oriented environment

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Abstract

Statistical computing when input/output is driven by a Graphical User Interface is considered. A proposal is made for automatic control of computational flow to ensure that only strictly required computations are actually carried on. The computational flow is modeled by a directed graph for implementation in any object-oriented programming language with symbolic manipulation capabilities. A complete implementation example is presented to compute and display frequency based piecewise linear density estimators such as histograms or frequency polygons.

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File URL: http://www.econ.upf.edu/docs/papers/downloads/419.pdf
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Bibliographic Info

Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 419.

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Date of creation: Nov 1999
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Handle: RePEc:upf:upfgen:419

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Web page: http://www.econ.upf.edu/

Related research

Keywords: Histogram; frequency polygon; bin width; object oriented programming; interactive graphics; statistical computing;

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  1. Simonoff, Jeffrey S. & Udina, Frederic, 1997. "Measuring the stability of histogram appearance when the anchor position is changed," Computational Statistics & Data Analysis, Elsevier, vol. 23(3), pages 335-353, January.
  2. HARDLE, Wolfgang & SCOTT, David, 1990. "Smoothing by weighted averaging of rounded points," CORE Discussion Papers 1990040, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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