{"uid":"cap_Xylf-hVGP4EzPVqDd7re8","slug":"sampling-observations-analytics-two-measure-correlation-date-by-70682cdb","name":"Sampling Observations Analytics: Two-Measure Correlation + Date-by-Category Pivot","description":"Sampling observations — Two-measure correlation + Date by category pivot: Two-measure correlation + Date by category pivot 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-15-182?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_Ebhfs7jJE0L7zj-YfwqVV","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 correlation between sample_value and sample_weight, and a date-by-category pivot table, for up to 200 rows.","exampleAgentPrompt":"I have up to 200 sampling observation rows with columns row_id, dataset_group, date, sample_value, and sample_weight — can you run a two-measure correlation between sample_value and sample_weight, plus a date-by-category pivot, and give me both reports?","exampleUseCases":[{"title":"Survey response correlation analysis","prompt":"I've collected 150 survey responses with a numeric score and a response weight per respondent, grouped by cohort, with dates — can you check how correlated the score and weight are, and also show me a pivot of scores by date and cohort?"},{"title":"Environmental sampling cross-tabulation","prompt":"I have 80 environmental sample readings with sample_value and sample_weight recorded by site group and collection date. Run a correlation between the two measures and give me a pivot table breaking down values by date and group."},{"title":"Quality control batch review","prompt":"Here are 200 QC lab sample records with a measurement value and a batch weight per row, organized by product group and test date. I need both a correlation report between the measurement and weight, and a date-by-group pivot summary."}],"resultDescription":"Returns two analytical reports: (1) a two-measure correlation result quantifying the statistical relationship between sample_value and sample_weight across the supplied rows, and (2) a date-by-category pivot table summarizing the selected field (sample_value or sample_weight) broken down by date and dataset_group. All computation is performed locally on the supplied data with no external lookups.","failureModes":["Fewer than 1 row supplied — request rejected","More than 200 rows supplied — exceeds maximum item limit","Missing required fields (row_id, dataset_group, date, sample_value, sample_weight) in any row — validation error","Date fields not matching YYYY-MM-DD pattern — schema validation failure","Numeric values outside ±1,000,000,000,000 range — rejected","Payment of 0.01 USDC not included or declined — 402 response"],"whenToPreferThis":"Choose this endpoint when you have tabular sampling data with two numeric measures (sample_value and sample_weight) and want both a correlation analysis and a date-by-category pivot in a single low-cost call (0.01 USDC). It is ideal for datasets up to 200 rows where no external lookup, prediction, or live data is needed — pure local computation on supplied records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:39:12.805Z","isFirstParty":false,"canonicalSlug":"sampling-observations-analytics-two-measure-correlation-date-by-70682cdb"}