Dear all, Is there any way to generate a HalfNormal distribution within the bounds in pymc3? My bounds are [0 10] and distribution should be increasing toward 10 like an mirror image of typical HalfNormal distribution.

Mirrored and bounded HalfNormal Distribution

chartl April 4, 2019, 5:43pm 2

Just translate and reflect

BoundedHalfNormal = pm.Bound(pm.Normal, 0., 10.)
xlat = BoundedHalfNormal('x_lat', 0., 1.)
x = pm.Deterministic('x', 10. - xlat)

3 Likes

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