This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
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represents a half-normal distribution with scale inversely proportional to parameter .
  • The probability density for value x in a half-normal distribution is proportional to ⅇ^(-theta^2x^2/pi) for x>0, and is zero for x<0.
  • The parameter can be a positive real number.
New in 6