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A visibility card shows two things: one number for the period, and a line of daily values under it. They come from two calls with the same range and filters. The only difference is group_by: ["date"] on the second. The headline is not the average of the daily values, and should not be. Each daily row is computed from that day’s answers; the headline is computed from every answer in the period at once.

How this example works

  1. Headline: no group_by. One row.
  2. Daily: group_by: ["date"]. One row per UTC day with answers, dates ascending. Days with no answers have no row.
  3. Show both, and the gap between the average and the headline, to see why you never derive one from the other.

Why the two differ

The same is true of weeks and months: a monthly score is one call over the month, not the mean of its weeks. See Visibility over time for weekly and monthly lines.

Common follow-ups

Visibility Score with change

Add the change against the previous period.

Visibility over time

Weekly and monthly buckets.