{"uid":"cap_G-mEyRMoK5O4PWydqIUGR","slug":"research-samples-numeric-distribution-date-by-category-pivot-4ac943ad","name":"Research Samples — Numeric Distribution + Date-by-Category Pivot","description":"Research samples — Numeric distribution + Date by category pivot: Numeric distribution + Date by category pivot for supplied research samples 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-education-07-083?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","course_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},"course_group":{"type":"string","default":"","maxLength":80},"sample_value":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","course_group":"group-a","sample_value":10,"sample_weight":1},{"date":"2026-10-02","row_id":"row-2","course_group":"group-b","sample_value":20,"sample_weight":2},{"date":"2026-10-03","row_id":"row-3","course_group":"group-a","sample_value":15,"sample_weight":3},{"date":"2026-10-04","row_id":"row-4","course_group":"group-b","sample_value":30,"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_IX33-JPDZpIfxSkFDyXSG","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 two local analytical reports (numeric distribution and date-by-category pivot) on up to 200 supplied research sample rows with sample_value and sample_weight fields.","exampleAgentPrompt":"Can you run a numeric distribution and date-by-category pivot on my research sample data? I have 4 rows — row-1 in group-a on 2026-10-01 with sample_value 10 and sample_weight 1, row-2 in group-b on 2026-10-02 with value 20 weight 2, row-3 in group-a on 2026-10-03 with value 15 weight 3, row-4 in group-b on 2026-10-04 with value 30 weight 4 — and I want the analysis on the sample_value field.","exampleUseCases":[{"title":"Course group sample distribution analysis","prompt":"I have research sample readings across two course groups — group-a and group-b — collected on different dates. Can you compute the numeric distribution and a date-by-category pivot on the sample_value field for all 200 rows I'm sending?"},{"title":"Weighted sample analytics for education study","prompt":"Run both a numeric distribution report and a date-by-category pivot on my research samples using the sample_weight field. I have about 150 rows with row IDs, course groups, dates, and weights."},{"title":"Quick stats on experimental data batch","prompt":"I've got a batch of 80 research sample records with sample_value and sample_weight columns grouped by course category and date — can you give me the distribution stats and a pivot by date and category group for sample_value?"}],"resultDescription":"Returns two analytical reports: (1) a numeric distribution breakdown (e.g. min, max, mean, percentiles, histogram bins) of the selected field (sample_value or sample_weight), and (2) a date-by-category pivot table aggregating the selected field across course_group and date dimensions — all computed locally without external lookups or predictions.","failureModes":["Rows array empty or missing — minimum 1 row required","More than 200 rows submitted — maxItems limit exceeded","Invalid date format — must match YYYY-MM-DD pattern","sample_value or sample_weight outside allowed range (-1e12 to 1e12)","Missing required row fields (row_id, course_group, date) — validation error","Invalid field enum value — must be 'sample_value' or 'sample_weight'","Payment not provided or insufficient — x402 payment of 0.01 USDC required"],"whenToPreferThis":"Choose this endpoint when you need two fast, offline analytical reports (numeric distribution + date-by-category pivot) on a small-to-medium research dataset (up to 200 rows) with sample_value and sample_weight dimensions grouped by course_group and date, without requiring any live data lookup, ML prediction, or external service calls. It is cost-effective at $0.01 for both reports together and ideal for education or research workflows needing quick descriptive statistics and pivot summaries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:47:33.097Z","isFirstParty":false,"canonicalSlug":"research-samples-numeric-distribution-date-by-category-pivot-4ac943ad"}