{"uid":"cap_Od7BvmQ_X4I6vYUl7hSik","slug":"event-attendance-adjacent-row-changes-848c28d0","name":"Event Attendance Adjacent Row Changes","description":"Event attendance - Adjacent row changes: Adjacent row changes for Event attendance. Up to 200 supplied typed records. Local numeric and data-quality processing; no external enrichment or forecasting. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded adjacent row changes deliverable.","url":"https://market.datapackvibe.com/x402/assistant-sector-analytics-event-attendance-period-change?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","event_type","date","registrations","attendees"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"attendees":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"event_type":{"type":"string","default":"","maxLength":80},"registrations":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","attendees":1,"event_type":"group-a","registrations":10},{"date":"2026-10-02","row_id":"row-2","attendees":2,"event_type":"group-b","registrations":20},{"date":"2026-10-03","row_id":"row-3","attendees":3,"event_type":"group-a","registrations":15},{"date":"2026-10-04","row_id":"row-4","attendees":4,"event_type":"group-b","registrations":30}],"maxItems":200,"minItems":1},"field":{"enum":["registrations","attendees"],"type":"string","default":"registrations"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cmJQbWBPGX-dFf44ZUaYX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes row-over-row (adjacent period) changes for event attendance or registration data across up to 200 typed records","exampleAgentPrompt":"I have 4 rows of event attendance data — group-a on 2026-10-01 with 10 registrations, group-b on 2026-10-02 with 20, group-a on 2026-10-03 with 15, and group-b on 2026-10-04 with 30 — can you compute the adjacent row changes for the registrations field?","exampleUseCases":[{"title":"Daily event registration trend tracking","prompt":"I have daily registration counts for our conference across 5 days — day1 through day5 with counts 50, 75, 60, 90, and 120 — can you calculate the adjacent row changes for registrations so I can see how signups shifted each day?"},{"title":"Multi-track attendee comparison","prompt":"We ran two event tracks, track-A and track-B, over 3 days with attendee counts 200, 180, 220 and 150, 170, 190 respectively — compute the row-over-row attendee changes so we can spot where each track gained or lost attendance."},{"title":"Post-event registration drop-off analysis","prompt":"Our webinar had registration counts of 500, 480, 430, 390, and 350 over five consecutive days leading up to the event date — show me the adjacent row changes in registrations so I can see where drop-off was steepest."}],"resultDescription":"Returns row-by-row (adjacent period) numeric change values for the selected field (registrations or attendees) across the supplied event records, including data-quality indicators, computed locally without external enrichment","failureModes":["Fewer than 1 row supplied returns an error","More than 200 rows submitted exceeds the maxItems limit","Invalid date format (not YYYY-MM-DD) fails schema validation","Missing required fields (row_id, event_type, date, registrations, attendees) causes rejection","Null numeric values may affect delta computation for affected rows","Invalid field enum value (not 'registrations' or 'attendees') returns validation error"],"whenToPreferThis":"Choose this endpoint when you need fast, local computation of adjacent (sequential) row-over-row changes in event attendance or registration figures without requiring external data enrichment or forecasting — ideal for structured tabular data up to 200 records where period deltas are the primary analytical output","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T19:10:17.116Z","isFirstParty":false,"canonicalSlug":"event-attendance-adjacent-row-changes-848c28d0"}