Sadakaion attendance analyzer

Upload every weekly attendee CSV, then get the consecutive attendance workbook and two regularity charts — all processed in your browser, nothing is uploaded to a server.

1. Upload weekly files

Drop your program_attendee_list CSV files here

or click to browse — you can select all weeks at once

2. Summary

Total events
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Unique participants
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Regular (≥80%)
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Mostly regular (60-79%)
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Occasional (25-59%)
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Irregular (<25%)
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3. Attendance per date, stacked by regularity (Session 1 + Session 2 combined)

Regular Mostly regular Occasional Irregular Average per day

4. Session 1 vs Session 2, with average lines

Regular Mostly regular Occasional Irregular Session 1 average Session 2 average
Session 1Session 2

5. Attendance per date, Session 1 vs Session 2 share

Each column is one event date, split into two stacks — Session 1 and Session 2 — labeled with the headcount and that session's share of the day's total attendance.

Session 1 Session 2 Session 1 average Session 2 average Total average

6. Download

Consecutive attendance workbook — one row per participant, Session-1/Session-2 columns side by side for every week, with category and data-quality flags.