{"uid":"cap_FswvErhNRBBgSs83Z4XWW","slug":"sampling-observations-duplicate-key-report-secondary-measure-weighted-b46ce71d","name":"Sampling Observations — Duplicate Key Report + Secondary-Measure Weighted Mean","description":"Sampling observations — Duplicate key report + Secondary-measure weighted mean: Duplicate key report + Secondary-measure weighted mean for supplied sampling observations records (sample_value, sample_weight). 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-15-067?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","sample_value","sample_weight"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"sample_value":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","sample_value":10,"dataset_group":"group-a","sample_weight":1},{"date":"2026-10-02","row_id":"row-2","sample_value":20,"dataset_group":"group-b","sample_weight":2},{"date":"2026-10-03","row_id":"row-3","sample_value":15,"dataset_group":"group-a","sample_weight":3},{"date":"2026-10-04","row_id":"row-4","sample_value":30,"dataset_group":"group-b","sample_weight":4}],"maxItems":200,"minItems":1},"field":{"enum":["sample_value","sample_weight"],"type":"string","default":"sample_value"}}},"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_lcH1je9XEW88kppS1aftk","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":"Runs two local analytical reports on supplied sampling observation rows: a duplicate key report and a secondary-measure weighted mean calculation.","exampleAgentPrompt":"Check my sampling observations dataset for duplicate row IDs and also compute the weighted mean of sample_value — I have 4 rows: row-1 with value 10 and weight 1 in group-a on 2026-10-01, row-2 with value 20 and weight 2 in group-b on 2026-10-02, row-3 with value 15 and weight 3 in group-a on 2026-10-03, and row-4 with value 30 and weight 4 in group-b on 2026-10-04.","exampleUseCases":[{"title":"Survey data duplicate detection","prompt":"I have a batch of 50 survey observation records each with a row_id, dataset_group, date, sample_value, and sample_weight — can you scan them for any duplicate row IDs and give me the weighted mean of sample_value at the same time?"},{"title":"Weighted mean for field comparison","prompt":"Run a weighted mean on the sample_weight field across my 120 sampling observation rows — also flag any duplicate keys you find. Here are the rows with their row_ids, dates, groups, values, and weights."},{"title":"Pre-analysis data quality check","prompt":"Before I proceed with my analysis, can you check these 80 sampling records for duplicate row IDs and compute the weighted average of sample_value using sample_weight? I want both reports in one shot."}],"resultDescription":"Returns two independent analytical reports: (1) a duplicate key report identifying any repeated row_id values across the submitted rows, and (2) a weighted mean of the selected field (sample_value or sample_weight) using the paired weight column — all computed locally on up to 200 supplied rows with no external lookups.","failureModes":["Fewer than 1 row submitted — validation error","More than 200 rows submitted — exceeds maxItems limit","Invalid date format (not YYYY-MM-DD) — schema validation failure","sample_value or sample_weight out of allowed range (-1e12 to 1e12) — rejected","Missing required fields (row_id, dataset_group, date) — request rejected","All weights are zero — weighted mean may be undefined or return error","Payment not provided or insufficient — x402 payment required"],"whenToPreferThis":"Choose this endpoint when you need both duplicate key detection and a weighted mean statistic in a single API call on up to 200 sampling observation rows. It is ideal for pre-analysis data quality checks on survey or sampling datasets where you want to validate row uniqueness and compute a weighted aggregate without setting up a local analytics pipeline. Prefer this over separate tools when the dataset fits within 200 rows and you want a cost-effective ($0.01 USDC) combined report.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:38:31.378Z","isFirstParty":false,"canonicalSlug":"sampling-observations-duplicate-key-report-secondary-measure-weighted-b46ce71d"}