NEWS
chaidr 0.1.0.9000
- Reworded the Description field to drop the redundant "in base 'R'"
opening, as requested by the CRAN reviewer.
chaidr 0.1.0 (2026-08-08)
- Initial CRAN release.
chaid() fits CHAID and Exhaustive CHAID decision trees following the
IBM SPSS Statistics Algorithms specification, with nominal, ordinal
(floating missing category), and continuous predictors, and nominal,
ordinal, and continuous responses.
chaid_control() exposes all algorithm parameters with SPSS-compatible
defaults, plus an adjust_across extension for multiplicity adjustment
across predictors.
predict() returns class labels, class probabilities, or terminal node
ids.
- Inspection and reporting:
chaid_table(), chaid_rules(),
chaid_importance(), chaid_gains(), and chaid_validate().
- Visualization: base graphics
plot(), 'Graphviz' DOT export via
chaid_dot() / chaid_graphviz(), interactive trees via
chaid_plotly(), and conversion to 'partykit' objects via
chaid_as_party().