Pre-check predicate for flag_multi_analyte step

Checks for multi-analyte patterns: strings containing common separator tokens (and, +, &, /) flanked by whitespace, and credible unspaced slash lists of three or more chemical-name parts.

Usage

precheck_multi_analyte(df, name_cols)

Arguments

df

Dataframe to check.

name_cols

Character vector of name column names.

Value

list(should_run = logical, est_changes = integer).