Concept

Measured vs. estimated

When RollCall shows an exact number, when it shows a band, and why it never dresses one up as the other.

Three kinds of number

Everything on your dashboard is one of three things, and RollCall is careful never to let one wear another's clothes.

Measured — a fact we can audit. Your POS net sales, the discounts on a night, the count of people who posted a scan: these are counted, not estimated, and they are shown as exact figures. Sales per available capacity-hour and Completed nights vs. usual are exact arithmetic on register-auditable inputs — there is no band on them because there is nothing uncertain to band.

A band — a coarse level of fullness (Empty, Chill, Busy, and so on) read straight from door scans. A band deliberately does not claim a headcount. It is used precisely so a figure can be honest without the occupancy model being calibrated to a person count: Is tonight normal and Money across your venues compare and slice by band for exactly this reason. A band says "about this full," never "exactly this many people."

Estimated — a modelled number with a stated confidence. A calibrated occupancy headcount, or per-guest economics, is an estimate, and RollCall gates those behind their own proof until the model has earned them for your room. When an estimate is shown it carries its uncertainty; it is never printed as if it were a measured fact.