Add prior for adding detection priors#60
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Added `prior` function and associated helpers/shortcuts for adding a parameterization to the detection rate priors to a severity estimate model. - Added `SeverityEstimate::prior` function to add beta distribution parameterizations for passive and active detection rates. - Added `active_prior`, `passive_asymptomatic_prior`, and `passive_symptomatic_prior` as light convenience wrappers for `prior`. - Added 'active_prior', 'passive_asymptomatic_prior', 'passive_symptomatic_prior' slots to `SeverityEstimateModel` class for holding these parametrizations. Represented as a numeric with names 'alpha' and 'beta'. - Added a check to the `beta_parameterization` function for bounds on the variance, 'var' or 'sd' with respect to the mean when using 'mean'/'var' or 'sd' parameterizations. Without this check this function could return negative values without error. Closes #48.
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Added
priorfunction and associated helpers/shortcuts for adding a parameterization to the detection rate priors to a severity estimate model.SeverityEstimate::priorfunction to add beta distribution parameterizations for passive and active detection rates.active_prior,passive_asymptomatic_prior, andpassive_symptomatic_prioras light convenience wrappers forprior.SeverityEstimateModelclass for holding these parametrizations. Represented as a numeric with names 'alpha' and 'beta'.beta_parameterizationfunction for bounds on the variance, 'var' or 'sd' with respect to the mean when using 'mean'/'var' or 'sd' parameterizations. Without this check this function could return negative values without error.Closes #48.