News

bizicount 1.2.0

Major

• Add zi_test function to implement tests for zero-modification as found in He et al. (2019).

• Fix bug in scaling parameter where interaction terms would be scaled, not just their constituent covariates.

• Fix bug causing standard error on dependence parameter in Gaussian copula to be incorrect.

Minor

• Change default value of keep parameter in bizicount() function to TRUE so that model matrices, etc., are stored in the output object by default.

• Update documentation with new methods, typo fixes.

• Refactor, add more tests, and minor bug fixes for univariate distribution functions.

bizicount 1.1.0

Minor

• Fixed improper univariate distribution aliasing in documentation (#1)
• Added more badges to readme.md (#4)
• Pointed BugReports link to correct GitHub location (#5)
• Added new test to prevent #6 from happening again.

Major

• Fixed fatal error that occurred when the first marginal distribution was zero-inflated, while second margin was not (#6).
• Fixed error when trying to use NumDeriv to get hessian if NLM hessian failed (#8).
• Added a parameter to bizicount() that scales continuous covariates automatically for users (#7).

bizicount 1.0.0

The first release of the package, support for Gaussian and Frank copulas, zero-inflated and non-inflated Poisson and negbin distributions. Extended DHARMa and texreg generics for bizicount and zicreg objects.