resolveFormula(): subset now follows base
R semantics (evaluated in data, as in lm());
new resolveFormulaFromCall() for formula methods.
y ~ a:b is accepted as the cells of several grouping
variables.conceptMap() and conceptAudit();
getConcepts() is now exported.Parts of the code and documentation were reviewed with the help of large language models (OpenAI Codex, Anthropic Claude). Every suggestion was assessed, edited and verified by the maintainer, who remains solely responsible for the content of this package.