Version 3.0.0

The new version of plot3logit deeply revises the mechanism for handling and extending the upstream compatibility through the generic export3logit() and extends the compatibility of the package VGAM and to the package ordinal. Moreover, the syntax for covariate changes is made more rich through the delimiters <<...>>.

It follows the content of the NEWS file related to version 3.0.0, whereas at this page there is the full NEWS file.

Major changes

  • Changed dependencies of the package both in section “Imports” (added stringr) and “Suggests” (added ordinal and testthat).
  • Implemented syntax for factor covariates based on delimiters <<...>>.
  • Implemented the generic export3logit() and several S3 methods for reading output from fitted models.
  • Revised the arguments of field3logit(): arguments alpha and vcov are now deprecated and does not work any more.
  • Argument model of field3logit() cannot accept matrices any more. Direct model estimates can be passed to field3logit() by means of a list.
  • Now field3logit() can read also trinomial models fitted through function vglm of package VGAM, and functions clm and clm2 of package ordinal (included amongst suggested packages).

Minor changes

  • Introduced class model3logit as output of export3logit().
  • Renamed component lab of field3logit and multifield3logit objects to levels.
  • Redefined classes and inheritance of field3logit and multifield3logit. objects.
  • Revised coef method for field3logit objects of ordinal models.
  • Redefined the output of plot.multifield3logit and remove the legend.

Typos and other marginal changes

  • Revised the help and the examples.
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