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anglican.gradients
adaptable?clj
(adaptable? dist-type)test whether gradients are implemented for a distribution type
test whether gradients are implemented for a distribution type
digammaclj
(digamma x)digamma function psi(x): derivative of gammaln(x), apparently bizarrely missing from all Clojure libraries. Not yet implemented for negative values of x. source: http://en.wikipedia.org/wiki/Digamma_function
digamma function psi(x): derivative of gammaln(x), apparently bizarrely missing from all Clojure libraries. Not yet implemented for negative values of x. source: http://en.wikipedia.org/wiki/Digamma_function
DistGradientcljprotocol
grad-logclj
(grad-log dist)returns a function for the gradient of the log density.
returns a function for the gradient of the log density.
grad-stepclj
(grad-step dist grad rho)updates distribution parameters by performing one gradient step.
updates distribution parameters by performing one gradient step.
implemented-gradientsclj
set of distribution types for which gradients are implemented
set of distribution types for which gradients are implemented
positive-and-finite?clj
(positive-and-finite? x)is the numeric value x finite? is it also strictly positive?
is the numeric value x finite? is it also strictly positive?
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