{"uid":"cap__J2_mLY7Urx_2gt3aYTAj","slug":"join-coverage-duplicate-key-report-and-two-measure-correlation-15a8ea82","name":"Join Coverage Duplicate Key Report and Two-Measure Correlation","description":"Join coverage — Duplicate key report + Two-measure correlation: Duplicate key report + Two-measure correlation for supplied join coverage records (matched_rows, source_rows). 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-analytics-09-066?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","matched_rows","source_rows"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"source_rows":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"matched_rows":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","source_rows":1,"matched_rows":10,"dataset_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","source_rows":2,"matched_rows":20,"dataset_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","source_rows":3,"matched_rows":15,"dataset_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","source_rows":4,"matched_rows":30,"dataset_group":"group-b"}],"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_YNbjLbp1-UYfbr6-8V0KI","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":"Analyzes join coverage records to produce a duplicate key report and a Pearson/rank correlation between matched_rows and source_rows for up to 200 rows.","exampleAgentPrompt":"Can you run a duplicate key check and a correlation analysis between matched_rows and source_rows on my join coverage data? I have 4 rows: row-1 (group-a, 2026-10-01, source=1, matched=10), row-2 (group-b, 2026-10-02, source=2, matched=20), row-3 (group-a, 2026-10-03, source=3, matched=15), row-4 (group-b, 2026-10-04, source=4, matched=30).","exampleUseCases":[{"title":"ETL pipeline join quality audit","prompt":"I have 50 rows from my nightly ETL join output with matched_rows and source_rows values per dataset group and date — can you check for duplicate keys and tell me how correlated those two measures are?"},{"title":"Data warehouse join coverage check","prompt":"My data warehouse team ran a join coverage report across two tables and I got back 120 records with row IDs, groups, dates, matched counts, and source counts — please run a duplicate key report and a two-measure correlation on all of them."},{"title":"Debugging low match rate anomalies","prompt":"I suspect some row IDs are duplicated in my join results for group-a between 2026-09-01 and 2026-09-30, and I want to see if there's a correlation between how many rows matched vs how many were in the source — can you run both reports on my 30 records?"}],"resultDescription":"Returns two independent analytical reports: (1) a duplicate key report identifying any repeated row_id values across the submitted join coverage records, and (2) a two-measure correlation analysis quantifying the statistical relationship between matched_rows and source_rows. Both reports are computed locally on the supplied data with no external lookups.","failureModes":["Fewer than 1 row submitted — validation error","More than 200 rows submitted — request rejected","Missing required fields (row_id, dataset_group, date, matched_rows, source_rows) — schema validation failure","date field not in YYYY-MM-DD format — pattern validation error","numeric values outside ±1,000,000,000,000 range — validation error","All matched_rows or source_rows are null — correlation cannot be computed"],"whenToPreferThis":"Choose this endpoint when you need both a duplicate key diagnostic and a two-measure statistical correlation on join coverage data in a single call, especially when working with up to 200 rows of matched_rows/source_rows pairs and you need a fast, offline computation with no external data dependencies.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T19:03:22.557Z","isFirstParty":false,"canonicalSlug":"join-coverage-duplicate-key-report-and-two-measure-correlation-15a8ea82"}