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Correction: Why Has the Number of Scientific Retractions Increased?

  • R. Grant Steen,
  • Arturo Casadevall,
  • Ferric C. Fang
  • Article
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In the Results section of the article, just before the last paragraph of the section, there was an equation omitted. The full, relevant, section with the equation included is: Using the cumulative probability of retraction (Fig. 5), the corrected number of retractions χ can be calculated as follows: χ = ρ / π Where ρ = Number of articles already retracted by year Y after publication. π = Cumulative probability of retraction by year Y.