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In, it appears shape & scale are reversed/mis-labelled. #4

oleersoy opened this issue Jun 18, 2016 · 1 comment


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@oleersoy oleersoy commented Jun 18, 2016

Assuming this affects hipparchus as well:

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@netomi netomi commented Jun 19, 2016

A quick look shows that the calculations are correct, but the parameters are ill-defined:

  • m is the scale parameter: this is the mean of the normally distributed natural logarithm of this distribution
  • s is the shape parameter: this is the standard deviation of the normally distributed natural logarithm of this distribution.

while it should be:

  • m -> location parameter
  • s -> scale parameter
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