Changes in version 0.1.0 (2026-09-10) Initial release. - Constructs single or vectorised Policy Analysis Matrices from aggregate accounts or itemised farm budgets. - Reports private and social profitability, policy transfers, NPCO, NPCI, EPC, PCR, DRC, PC, SRP, and SCB. - Provides grouped aggregation, parity-price helpers, classifications, summaries, and base R plots. - Adds deterministic sensitivity paths and numerical switching values. - Adds reproducible lognormal or non-negative normal Monte Carlo simulation, optional correlated shocks, interval summaries, and decision probabilities. - Includes synthetic teaching data, two vignettes, unit tests, and package citation metadata.