{"uid":"cap_Yf0xV2pT_h9inBlMlz6o9","slug":"event-attendance-two-measure-correlation-285b3ba1","name":"Event Attendance Two-Measure Correlation","description":"Event attendance - Two-measure correlation: Two-measure correlation 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 two-measure correlation deliverable.","url":"https://market.datapackvibe.com/x402/assistant-sector-analytics-event-attendance-correlation?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}}},"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_MOTGePj3H1ShbmG-0pkCo","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 a two-measure correlation (e.g. registrations vs. attendees) from up to 200 event attendance records, returning a bounded statistical correlation deliverable.","exampleAgentPrompt":"Can you run a two-measure correlation on my event attendance data? I have 4 events — group-a on 2026-10-01 with 10 registrations and 1 attendee, group-b on 2026-10-02 with 20 registrations and 2 attendees, group-a on 2026-10-03 with 15 registrations and 3 attendees, and group-b on 2026-10-04 with 30 registrations and 4 attendees.","exampleUseCases":[{"title":"Conference registration-to-attendance correlation","prompt":"I have registration and actual attendance counts for 50 conference sessions from this year — can you run a two-measure correlation on those numbers to see how well our pre-event registrations predicted real turnout?"},{"title":"Webinar no-show pattern analysis","prompt":"We ran 80 webinars over the past quarter, and I've got the registration count and the actual attendee count for each. Can you correlate those two measures so I can understand if registration volume is a reliable signal of actual attendance?"},{"title":"Event type comparison for marketing planning","prompt":"I have attendance data split across two event types — in-person and virtual — with registration and attendee figures for each date. Please compute the two-measure correlation between registrations and attendees so I can figure out which event format converts sign-ups to real participants more predictably."}],"resultDescription":"Returns a bounded two-measure correlation deliverable — specifically the computed correlation coefficient between the two numeric measures (registrations and attendees) across the supplied rows, along with any supporting data-quality indicators, computed locally without external enrichment.","failureModes":["Fewer than 1 row supplied — returns validation error","Row missing required fields (row_id, event_type, date, registrations, attendees) — returns schema validation error","More than 200 rows submitted — rejected due to maxItems constraint","Numeric values outside allowed range (±1,000,000,000,000) — rejected","Malformed date string not matching YYYY-MM-DD pattern — rejected","All values constant (zero variance) — correlation undefined, may return null or error","Insufficient numeric variance to compute meaningful correlation"],"whenToPreferThis":"Choose this endpoint when you need a quick, local statistical correlation between exactly two numeric event-attendance measures (registrations and attendees) on up to 200 records, without requiring external data enrichment, forecasting, or multi-variable analysis. Prefer it over general analytics APIs when you want a bounded, reproducible, pay-per-call computation at minimal cost ($0.01 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T19:08:45.374Z","isFirstParty":false,"canonicalSlug":"event-attendance-two-measure-correlation-285b3ba1"}