{"uid":"cap_2OFMjywhqiI429UANusMc","slug":"sampling-observations-two-measure-correlation-and-keyed-dataset-0a103dfc","name":"Sampling Observations Two-Measure Correlation and Keyed Dataset Comparison","description":"Sampling observations — Two-measure correlation + Keyed dataset comparison: Two-measure correlation + Keyed dataset comparison 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-15-183?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}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"sample_value":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","sample_value":10,"dataset_group":"group-a","sample_weight":1},{"date":"2026-10-02","row_id":"row-2","sample_value":20,"dataset_group":"group-b","sample_weight":2},{"date":"2026-10-03","row_id":"row-3","sample_value":15,"dataset_group":"group-a","sample_weight":3},{"date":"2026-10-04","row_id":"row-4","sample_value":30,"dataset_group":"group-b","sample_weight":4}],"maxItems":200,"minItems":1},"other":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","sample_value","sample_weight"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","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":21,"dataset_group":"group-b","sample_weight":2},{"date":"2026-10-03","row_id":"row-3","sample_value":17,"dataset_group":"group-a","sample_weight":3},{"date":"2026-10-04","row_id":"row-4","sample_value":33,"dataset_group":"group-b","sample_weight":4}],"maxItems":200,"minItems":0}}},"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_83XLmTUjt8rzHqTEeSXRy","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 two-measure correlation analysis and a keyed dataset comparison for up to 200 sampling observation rows (sample_value, sample_weight) across two supplied datasets.","exampleAgentPrompt":"I have two sets of sampling observation records — each with row IDs, dates, dataset groups, sample values, and sample weights — can you run a two-measure correlation and a keyed dataset comparison across both sets, up to 200 rows each?","exampleUseCases":[{"title":"Survey response weight correlation check","prompt":"I have 150 survey response records with a sample_value (score) and sample_weight (respondent weight) per row — can you compute the correlation between those two measures and also compare this dataset against last month's baseline dataset matched by row ID?"},{"title":"A/B test sampling dataset comparison","prompt":"I ran two variants of a sampling experiment and have records for each with row IDs, dates, group labels, sample values, and weights. Can you correlate sample_value with sample_weight in the main dataset and then do a keyed comparison between the two variant datasets to see where they differ?"},{"title":"Quality control for weighted production samples","prompt":"We collected 80 production sampling records across two time periods — each row has a date, a group, a measured value, and a weighting factor. Please run the two-measure correlation on the current period data and compare it against the prior period dataset keyed by row ID."}],"resultDescription":"Returns two independent analytical reports: (1) a two-measure correlation report quantifying the statistical relationship between sample_value and sample_weight across the supplied rows, and (2) a keyed dataset comparison report identifying differences between the primary and secondary datasets matched by row_id. All analysis is performed locally on supplied data with no external lookups.","failureModes":["Input array exceeds 200 rows — request will be rejected","Missing required fields (row_id, dataset_group, date, sample_value, sample_weight) cause validation errors","Date values not matching YYYY-MM-DD pattern will fail schema validation","Null values in sample_value or sample_weight may reduce correlation accuracy or cause computation errors","Mismatched row_ids between primary and secondary datasets may reduce keyed comparison coverage","Fewer than 2 rows supplied may produce degenerate or undefined correlation results"],"whenToPreferThis":"Choose this endpoint when you need both a correlation between two numeric measures (sample_value and sample_weight) and a row-keyed comparison between two versions of a dataset in a single low-cost call. It is ideal for offline/batch statistical analysis of sampling observation data up to 200 rows where no live data lookup, prediction, or external action is required. It bundles two reports for $0.01 USDC, making it cost-effective compared to calling separate analytical services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:39:08.218Z","isFirstParty":false,"canonicalSlug":"sampling-observations-two-measure-correlation-and-keyed-dataset-0a103dfc"}