Fix LogNormal to use scale=mu instead of loc=mu#42
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In scipy's lognorm, the `scale` parameter maps to exp(mu) of the underlying normal distribution, while `loc` shifts the whole distribution. Using `loc` produced an incorrect distribution shape. Closes #28 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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In scipy's lognorm, the
scaleparameter maps to exp(mu) of the underlying normal distribution, whilelocshifts the whole distribution. Usinglocproduced an incorrect distribution shape.Closes #28