{"uid":"cap_otARC9ZFJjAAex2BO-03O","slug":"join-coverage-secondary-measure-weighted-mean-with-missing-value-fill-257b9c4b","name":"Join Coverage Secondary-Measure Weighted Mean with Missing-Value Fill","description":"Join coverage — Secondary-measure weighted mean + Explicit missing-value fill: Secondary-measure weighted mean + Explicit missing-value fill 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-09-187?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},"field":{"enum":["matched_rows","source_rows"],"type":"string","default":"matched_rows"},"method":{"enum":["zero","mean","median"],"type":"string","default":"median"}}},"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_DtFvxskCxL4k6XTJ3F5oQ","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 secondary-measure weighted mean over join coverage records (matched_rows, source_rows) and fills explicit missing values, returning up to 2 analytical reports for up to 200 rows.","exampleAgentPrompt":"Calculate the weighted mean of matched_rows for my join coverage data, filling any missing values using median imputation — here are 4 rows: row-1 on 2026-10-01 in group-a with source_rows=1 and matched_rows=10, row-2 on 2026-10-02 in group-b with source_rows=2 and matched_rows=20, row-3 on 2026-10-03 in group-a with source_rows=3 and matched_rows=15, row-4 on 2026-10-04 in group-b with source_rows=4 and matched_rows=30.","exampleUseCases":[{"title":"Pipeline join completeness audit","prompt":"I have daily join coverage records for two dataset groups over the past week — some matched_rows values are null. Can you fill the missing values using the median and then compute the weighted mean of matched_rows so I can see overall join completeness? Groups are group-a and group-b, up to 20 rows."},{"title":"Source row weighted average reporting","prompt":"Compute a secondary-measure weighted mean for source_rows across my join coverage data, using zero-fill for any missing entries. I have about 50 rows spanning October 2026 across three dataset groups, and I need 2 reports out of it."},{"title":"Coverage ratio analysis with mean imputation","prompt":"For my data pipeline coverage audit, can you analyze these 100 join coverage records — fill missing matched_rows values with the mean and then calculate the weighted mean? I want to understand how well my joins are performing across different dataset groups dated between 2026-09-01 and 2026-09-30."}],"resultDescription":"Returns up to 2 analytical reports containing the weighted mean of the selected field (matched_rows or source_rows) across supplied join coverage rows, with missing values filled using the chosen method (zero, mean, or median). Reports are computed locally with no external lookups.","failureModes":["More than 200 rows submitted — request rejected due to maxItems constraint","Missing required fields (row_id, dataset_group, date, matched_rows, source_rows) cause validation errors","Invalid date format (not YYYY-MM-DD) triggers pattern validation failure","Numeric values outside allowed range (-1e12 to 1e12) are rejected","Empty rows array (minItems: 1 not satisfied) returns error","Invalid enum value for field or method parameter causes schema rejection"],"whenToPreferThis":"Choose this endpoint when you need to compute a weighted mean over join coverage metrics (matched_rows or source_rows) with explicit missing-value handling (zero/mean/median fill) on supplied row data up to 200 records, and you want 2 bundled analytical reports in a single low-cost call. Prefer it over generic stats tools when your data is already structured as join coverage records with dataset_group and date dimensions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:48:36.909Z","isFirstParty":false,"canonicalSlug":"join-coverage-secondary-measure-weighted-mean-with-missing-value-fill-257b9c4b"}