Compute similarity score for a single candidate against an input name

Score formula (per D-03): max(JW(input, preferredName, synonym_1, ..., synonym_N)). If candidate rank <= 3, add +0.05 bonus. Clamp final score to [0, 1]. All synonym tiers treated equally (per D-04).

Usage

score_one_candidate(input_name, preferred_name, synonyms_str, rank)

Arguments

input_name

Character scalar – user's original chemical name (per D-07)

preferred_name

Character scalar – candidate's CompTox preferred name (NA allowed)

synonyms_str

Character scalar – pipe-joined synonyms from enrichment cache (NA allowed)

rank

Numeric scalar – candidate's rank value (NA allowed; bonus only if <= 3)

Value

Numeric scalar in [0, 1], or NA_real_ if no valid comparison possible