{"uid":"cap_2VHYeJ5CAS-i_JLdCB28c","slug":"label-review-analytics-two-measure-correlation-secondary-measure-c57e03f9","name":"Label Review Analytics: Two-Measure Correlation + Secondary-Measure Weighted Mean","description":"Label review — Two-measure correlation + Secondary-measure weighted mean: Two-measure correlation + Secondary-measure weighted mean for supplied label review records (reviewed_records, changed_labels). 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-12-181?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","reviewed_records","changed_labels"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"dataset_group":{"type":"string","default":"","maxLength":80},"changed_labels":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"reviewed_records":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","dataset_group":"group-a","changed_labels":1,"reviewed_records":10},{"date":"2026-10-02","row_id":"row-2","dataset_group":"group-b","changed_labels":2,"reviewed_records":20},{"date":"2026-10-03","row_id":"row-3","dataset_group":"group-a","changed_labels":3,"reviewed_records":15},{"date":"2026-10-04","row_id":"row-4","dataset_group":"group-b","changed_labels":4,"reviewed_records":30}],"maxItems":200,"minItems":1},"field":{"enum":["reviewed_records","changed_labels"],"type":"string","default":"reviewed_records"}}},"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_SBGf4qgs0iIQIZrulA3h6","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/rank correlation between reviewed_records and changed_labels, and calculates a weighted mean for the secondary measure, across up to 200 label-review rows.","exampleAgentPrompt":"Can you run a two-measure correlation and weighted mean analysis on my label review data? I have 4 rows across groups 'group-a' and 'group-b' from October 2026 — use reviewed_records as the primary field.","exampleUseCases":[{"title":"Annotation team performance review","prompt":"I have daily label review records for two annotation groups over the past month — can you compute the correlation between reviewed_records and changed_labels, and give me the weighted mean of changed_labels for those rows?"},{"title":"Dataset quality audit across groups","prompt":"I want to check if there's a meaningful statistical relationship between how many records my team reviews and how many labels they change — run the two-measure correlation report on this dataset of up to 50 rows from group-a and group-b."},{"title":"Labeling pipeline spot-check","prompt":"Run a correlation and weighted mean analysis on my label review logs for the week of October 1–7, 2026 across all dataset groups — I need both reports and the field I care about is reviewed_records."}],"resultDescription":"Returns two analytical reports: (1) a two-measure correlation result quantifying the statistical relationship between reviewed_records and changed_labels across the supplied rows, and (2) a secondary-measure weighted mean computed from the input data. Both are computed locally with no external lookups, covering up to 200 input rows.","failureModes":["More than 200 rows submitted — request rejected or truncated","Missing required fields (row_id, date, reviewed_records, changed_labels) — validation error","Invalid date format (must be YYYY-MM-DD) — schema validation failure","Non-numeric values in reviewed_records or changed_labels — computation error","All null values in a measure column — unable to compute correlation or mean","Payment not included or insufficient USDC — x402 payment required error"],"whenToPreferThis":"Choose this endpoint when you have label review tabular data (reviewed_records + changed_labels per row) and need both a correlation between the two measures and a weighted mean of the secondary measure in a single $0.01 call. It is purpose-built for annotation/labeling QA workflows with up to 200 rows and requires no external data sources. Prefer it over generic stats libraries when you need a hosted, payable analytics micro-service that bundles two related statistical reports in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T00:54:32.107Z","isFirstParty":false,"canonicalSlug":"label-review-analytics-two-measure-correlation-secondary-measure-c57e03f9"}