Dirac #1745
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Dirac #1745
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closes JuliaStats#1731 * location implemented * scale implemented (= one) * shifting = :+ implemented * Scaling = :*, errors Widening the Dirac cannot be done in a type stable way. Dirac can be interpreted as limit of some distributions in the limit σ^2 -> 0.0 (e.g. Normal, Uniform, Cosine). Falling back to one of these is arbitrarily and not type stable. Therefore it's up to the user what to do when recaling (= lowering certainty) needs to be done. Adding two Dirac distributions is allowed. The sum of Dirac distributed random variables is interpreted as the sum of their values. This result can be obtained by either interpretation as certain bare numbers or by convolution. resolves JuliaStats#1695 Type T is reduced to T<:Real to be consistent with other distributions. Non-scalar values are no longer allowed as arguments. This is a **potentially breaking** change, if user code relied on unintended behaviour.
Co-authored-by: David Widmann <devmotion@users.noreply.github.com>
Codecov ReportPatch coverage has no change and project coverage change:
Additional details and impacted files@@ Coverage Diff @@
## master #1745 +/- ##
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- Coverage 85.90% 85.86% -0.05%
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Files 142 142
Lines 8579 8583 +4
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Hits 7370 7370
- Misses 1209 1213 +4
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Applied suggestions from Review and rebased on current master.
This PR than is just to fix
location, scale, +, *#1731, #1695