Compute the denominator for R-precision based on propensity scored ranking of gold standard labels.
find_ps_rprec_deno(gold_vs_pred, grouping_var, cost_fp)find_ps_rprec_deno_dplyr(gold_vs_pred, grouping_var, cost_fp)
A data.frame with columns "n_gold", "n_suggested", "tp", "fp",
"fn", "delta_relevance", "rprec_deno".
A data.frame with logical columns "suggested",
"gold" as produced by create_comparison.
A character vector of grouping variables that must be
present in gold_vs_pred (dplyr version requires rlang symbols).
A numeric value > 0, defaults to NULL.
find_ps_rprec_deno_dplyr(): Variant with dplyr based
internals rather than collapse internals.