Circumplex

Minor improvements and fixes

* Adjust the test of `quantile.radian()` to account for changes to `%%` starting in R 3.6.1 Patched

* Add the name of the package to the S3 class names (e.g., `circumplex_radian` instead of `radian`) to minimize the risk of overlapping classes between packages

* Add some supplementary files to the R build ignore list to avoid notes during CRAN check

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Minor improvements and fixes

* Add APA-style citations to instrument documentation in addition to DOI links.

* Add "Instruments" menu to package website for viewing documentation pages.

* Adjust the test of `quantile.radian()` to account for changes to `%%` starting in R 4.0.0

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New features

* New `iitc` provides instrument information for the Inventory of Influence
Tactics Circumplex.

Minor improvements and fixes

* Fix CRAN warnings by setting `LazyData: true`.

* Fix CRAN note by replacing relative URLs with absolute URLs.

* Nonstandard evaluation is now handled using `{{}}` notation.

* Updated the formatting on this NEWS changelog to match tidyverse style.

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Minor improvements and fixes

* Avoid a bug with dplyr 0.8.1 and S3 methods on Linux systems.

* Update the web address for Johannes in the README document.

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New features

* New `ssm_parameters()` calculates SSM parameters (without
confidence intervals) from a vector of scores.

* New `ssm_score()` calculates SSM parameters by row.

* Added support for older versions of R (3.3.x).

Minor improvements and fixes

* Updated the "Introduction to SSM" vignette's figures.

* Replaced use of `dplyr::funs()` as this function is being deprecated.

* Fixed a bug in the normative data for `ipipipc` that prevented standardization.

* Fixed a bug caused by changes in how random numbers are generated in R 3.6.x.

* Fixed several broken links by running package through new version of `usethis`.

* Fixed warnings related to documentation inherited from other packages.

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New features

* `iis32` now has normative data.

* Added open-access (i.e., full item text) to the `iis32` and `iis64`.

Minor improvements and fixes

* `iis32` item ordering and scoring now match the author's version.

* `iis32` response anchors now range from 1 to 6 and match norms.

* Changed use of `tibble` functions to avoid problems when new version releases.

* Removed dependency on `MASS` package (until it is used by exported functions).

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