| gb_apply_ob | Apply an optimism bias uplift to a cost stream |
| gb_appraise | Full Green Book appraisal in one call |
| gb_carbon_npv | Net present value of an emissions path |
| gb_carbon_value | DESNZ carbon value for appraisal |
| gb_categories | Available optimism bias categories |
| gb_compare | Compare multiple appraisal options |
| gb_cost_per_unit | Cost per unit delivered |
| gb_data_versions | Vintage of bundled parameter tables |
| gb_deflator | GDP deflator factor between two years |
| gb_discount | Apply discount factors to a stream |
| gb_discount_factor | Discount factor under the kinked STPR |
| gb_dist_weight | Distributional weight for a recipient income |
| gb_dist_weighted_npv | Distributionally-weighted net present value |
| gb_eanc | Equivalent annual net cost (or benefit) |
| gb_economic_case | Render an appraisal as a Five Case Model economic case |
| gb_headline | One-page headline summary of an appraisal |
| gb_metb | Apply Marginal Excess Tax Burden to public expenditure |
| gb_npv | Net present value |
| gb_optimism_bias | Optimism bias upper bound for a project category |
| gb_place_based | Aggregate sub-projects into a place-based business case |
| gb_progression | Track an appraisal across SOC, OBC, and FBC stages |
| gb_qaly | Value of a Quality-Adjusted Life Year |
| gb_real | Convert nominal values to real |
| gb_rebase | Rebase a real-terms series to a different base year |
| gb_risk_register | Build a risk register with monetised exposure |
| gb_schedule_table | Tibble of the STPR schedule |
| gb_sensitivity_ob | Optimism bias sensitivity sweep |
| gb_stpr | Social Time Preference Rate |
| gb_to_excel | Export an appraisal to Excel |
| gb_to_latex | Render an appraisal as a LaTeX table |
| gb_to_word | Export an appraisal to Word |
| gb_validate | Lint a Green Book appraisal for common errors |
| gb_vpf | Value of Preventing a Fatality |
| gb_wellby | Wellbeing valuation in GBP (WELLBY) |