{"uid":"cap_yc1EiLZ3_XFcpMOSklExd","slug":"sampling-observations-string-normalisation-equal-width-histogram-3f90797a","name":"Sampling Observations — String Normalisation + Equal-Width Histogram","description":"Sampling observations — String normalisation + Equal-width histogram: String normalisation + Equal-width histogram 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-15-031?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"bins":{"type":"integer","default":5,"maximum":30,"minimum":1},"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_8QhrIk1bCYMDn1_0UFo54","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 observations: string normalisation and an equal-width histogram, for up to 200 rows.","exampleAgentPrompt":"I have 4 sampling observations — row-1 with sample_value 10 and weight 1 on 2026-10-01 in group-a, row-2 with value 20 weight 2 on 2026-10-02 in group-b, row-3 with value 15 weight 3 on 2026-10-03 in group-a, row-4 with value 30 weight 4 on 2026-10-04 in group-b — can you run string normalisation and an equal-width histogram with 5 bins on the sample_value field?","exampleUseCases":[{"title":"Survey response distribution analysis","prompt":"I have 150 survey responses with numeric scores and weights — can you normalize the response strings and build an equal-width histogram with 10 bins on the sample_value field so I can see how scores are distributed?"},{"title":"Lab measurement binning","prompt":"Here are 80 lab measurements with sample IDs, dates, measured values, and sample weights across two groups — please run string normalisation and a 5-bin equal-width histogram on the sample_value field."},{"title":"Quality control sampling report","prompt":"I need to analyze 200 quality control samples from my production line — each has a row ID, group, date, measurement value, and weight. Can you generate the string normalisation report and a 15-bin histogram on the sample_weight field?"}],"resultDescription":"Returns two analytical reports: (1) a string normalisation report for the supplied row data, and (2) an equal-width histogram report showing bin ranges, counts, and weighted frequencies for the chosen field (sample_value or sample_weight), computed entirely from the supplied data with no external lookups.","failureModes":["More than 200 rows submitted — request rejected, reduce row count","Missing required fields (row_id, dataset_group, date, sample_value, sample_weight) on any row — validation error","bins value outside 1–30 range — schema validation failure","sample_value or sample_weight outside ±1,000,000,000,000 — value rejected","Invalid date format (not YYYY-MM-DD) — pattern validation error","Payment not included or insufficient — x402 payment required response"],"whenToPreferThis":"Choose this endpoint when you have up to 200 sampling observation records and need both string normalisation and an equal-width histogram in a single paid call. It is self-contained with no external data dependencies, making it suitable for sensitive or offline datasets. Prefer it over general-purpose analytics tools when you need a lightweight, low-cost ($0.01 USDC) dual-report output on weighted sample data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:34:30.733Z","isFirstParty":false,"canonicalSlug":"sampling-observations-string-normalisation-equal-width-histogram-3f90797a"}