{"uid":"cap_Am9hYMx8NTiCtXuv6eMs-","slug":"tutoring-sessions-two-measure-correlation-and-secondary-measure-018c2cec","name":"Tutoring Sessions Two-Measure Correlation and Secondary-Measure Weighted Mean","description":"Tutoring sessions — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied tutoring sessions records (session_minutes, session_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-education-16-181?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","course_group","date","session_minutes","session_count"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"course_group":{"type":"string","default":"","maxLength":80},"session_count":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"session_minutes":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","course_group":"group-a","session_count":1,"session_minutes":10},{"date":"2026-10-02","row_id":"row-2","course_group":"group-b","session_count":2,"session_minutes":20},{"date":"2026-10-03","row_id":"row-3","course_group":"group-a","session_count":3,"session_minutes":15},{"date":"2026-10-04","row_id":"row-4","course_group":"group-b","session_count":4,"session_minutes":30}],"maxItems":200,"minItems":1},"field":{"enum":["session_minutes","session_count"],"type":"string","default":"session_minutes"}}},"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_h3XakNxm0BDY87cAuyIRu","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 Pearson correlation between session_minutes and session_count, plus a weighted mean of the secondary measure, for up to 200 tutoring session records.","exampleAgentPrompt":"Can you run a correlation between session_minutes and session_count, plus a weighted mean of session_count, for these 5 tutoring records: row-1 on 2024-01-10 in group-a with 45 minutes and 3 sessions, row-2 on 2024-01-11 in group-b with 60 minutes and 4 sessions, row-3 on 2024-01-12 in group-a with 30 minutes and 2 sessions, row-4 on 2024-01-13 in group-b with 90 minutes and 6 sessions, row-5 on 2024-01-14 in group-a with 75 minutes and 5 sessions — use session_minutes as the primary field?","exampleUseCases":[{"title":"Tutoring program effectiveness analysis","prompt":"I have 50 rows of tutoring session data with dates, course groups, session lengths in minutes, and session counts — can you compute the correlation between session_minutes and session_count and also give me the weighted mean of session_count, using session_minutes as the primary field?"},{"title":"Course group session pattern review","prompt":"For these 120 tutoring records across our math and science course groups, can you run a two-measure correlation between session_minutes and session_count and a weighted mean of session_minutes so I can compare engagement patterns?"},{"title":"Monthly tutoring stats for reporting","prompt":"I need to pull two statistical reports on last month's tutoring data — 80 session rows with minutes and counts per date — can you calculate the correlation between the two measures and a weighted mean of session_count, with session_minutes as the primary measure?"}],"resultDescription":"Returns two analytical reports computed locally: (1) a Pearson or equivalent correlation coefficient between session_minutes and session_count across the submitted rows, and (2) a weighted mean of the secondary measure (whichever of session_minutes or session_count was not selected as the primary field). No external data is fetched; all computation is performed on the supplied rows.","failureModes":["Fewer than 1 row submitted — validation error","More than 200 rows submitted — rejected with maxItems error","Missing required fields (row_id, date, session_minutes, session_count, course_group) on any row — schema validation failure","Non-numeric values in session_minutes or session_count where numbers are required — type error","Invalid date format (not YYYY-MM-DD) — pattern validation failure","All session_minutes or session_count values are null — correlation cannot be computed"],"whenToPreferThis":"Choose this endpoint when you have up to 200 tutoring session records and need both a correlation between session_minutes and session_count AND a weighted mean of the secondary measure in a single low-cost call ($0.01 USDC for both reports). Ideal for education analytics pipelines that operate on pre-collected local data without requiring live lookups or external predictions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:47:30.730Z","isFirstParty":false,"canonicalSlug":"tutoring-sessions-two-measure-correlation-and-secondary-measure-018c2cec"}