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  1. Commons Math
  2. MATH-282

ChiSquaredDistributionImpl.cumulativeProbability > 1

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.0, 1.1, 1.2, 2.0
    • 2.1
    • None
    • None

    • called from Scala code

    Description

      Calling
      new ChiSquaredDistributionImpl(1.0).cumulativeProbability(66.41528551683048)

      returns 1.000000000000004, which is bogus (should never be > 1)

      Attachments

        1. distributions.patch
          25 kB
          Phil Steitz
        2. math-282.patch
          2 kB
          Luc Maisonobe

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. MATH-301 Erf(z) should return 1.0 for z 'large' but fails with a MaxIterationsExceededException for z > 26.0.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              psteitz Phil Steitz
              akiezun Adam Kiezun
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              Dates

                Created:
                Updated:
                Resolved: