# HappyChef Datahub — cancel_by_party # visit dates 1 January – 30 September 2026 · 50030 datapoints · 44 Belgian restaurants # Cancellation rate per party size, within each restaurant (cells ≥20 reservations), averaged across restaurants. cancellation_rate,psize 0.0849,1–2 0.0655,3–4 0.0666,5–6 0.0705,7–8 0.0868,9+