Build grid of missing model-target combinations

Internal function that detects missing model x target combinations by comparing observed data against the complete grid of all compare-column values crossed with all observed target combinations.

Usage

build_missing_grid(scores, compare = "model")

Arguments

scores

A scores object (data.table with a metrics attribute as produced by score()).

compare

Character string (default "model") naming the column whose values are compared against each target.

Value

A data.table with forecast-unit columns for each missing combination. Zero rows if nothing is missing.