English, Article edition: IRREPRO: Stata module to produce a simulation of irreproducible results Nicholas J. Cox

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Bookmark: http://trove.nla.gov.au/version/174808
Physical Description
  • code
Language
  • English

Edition details

Title
  • IRREPRO: Stata module to produce a simulation of irreproducible results
Author
  • Nicholas J. Cox
Physical Description
  • code
Notes
  • Imagine an urn containing w white and b black balls, together with inexhaustible supplies of white and black balls. Pick one ball from the urn randomly, and replace it in the urn, together with a additional balls of the same colour. Repeat indefinitely. What happens to (say) the proportion of white balls in the urn? Experiment indicates, and analysis confirms, that in any particular experiment the proportion stabilises rapidly, but on an unrepeatable value. A set of experiments approximates a distribution of limiting proportions that is beta over the whole range from 0 to 1 (uniform if b =​ w =​ a =​ 1). irrepro runs the experiment once and plots proportion white against number of picks. irrepron runs the experiment for as many times as there are observations. Under Windows, the effect is a movie with as many frames as there are observations.
  • stochastic processes, urn models, simulation, fun
  • RePEc:boc:bocode:s362401
Language
  • English
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