Validate spec variables against skeleton data

Checks that all `implementation$variable` references in the spec actually exist as columns in the skeleton data.table. For categorical confounders, also checks that the declared categories match the data. Collects all issues before reporting.

Usage

tteplan_validate_spec(spec, skeleton)

Arguments

spec

Parsed study specification from [tteplan_read_spec()].

skeleton

A data.table skeleton (person-week panel) to validate against.

Value

`invisible(TRUE)` on success; emits a warning with a numbered issue list if any checks fail.

See also

Other tte_spec: tteplan_apply_derived_confounders(), tteplan_apply_exclusions(), tteplan_from_spec_and_registrystudy(), tteplan_read_spec()