Create a new peppwr_fits object
Arguments
- data
Original data (nested tibble)
- fits
Fit results per peptide (list of tibbles with dist, loglik, aic)
- best
Best-fitting distribution per peptide (character vector)
- call
Original function call
- missingness
Tibble with missingness statistics per peptide (optional)
- dataset_mnar
Dataset-level MNAR metric (optional, from compute_dataset_mnar)