{"uid":"cap_teI4ZZsICkUY7puvUKgxc","slug":"sampling-observations-equal-width-histogram-keyed-dataset-comparison-0b43e9fd","name":"Sampling Observations — Equal-Width Histogram + Keyed Dataset Comparison","description":"Sampling observations — Equal-width histogram + Keyed dataset comparison: Equal-width histogram + 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-15-174?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}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"sample_value":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","sample_value":10,"dataset_group":"group-a","sample_weight":1},{"date":"2026-10-02","row_id":"row-2","sample_value":20,"dataset_group":"group-b","sample_weight":2},{"date":"2026-10-03","row_id":"row-3","sample_value":15,"dataset_group":"group-a","sample_weight":3},{"date":"2026-10-04","row_id":"row-4","sample_value":30,"dataset_group":"group-b","sample_weight":4}],"maxItems":200,"minItems":1},"field":{"enum":["sample_value","sample_weight"],"type":"string","default":"sample_value"},"other":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","sample_value","sample_weight"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","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_jTSy0aeGX_M-sgQZHKVYW","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":"Generates an equal-width histogram and a keyed dataset comparison report for up to 200 sampling observation records (sample_value, sample_weight).","exampleAgentPrompt":"Can you run an equal-width histogram and dataset comparison on my sampling observations? I have two groups — group-a and group-b — with about 40 rows of sample_value data, using 10 bins. Here's the main dataset and the comparison dataset I want to diff against each other.","exampleUseCases":[{"title":"A/B test sample distribution comparison","prompt":"I ran an A/B test and have two sets of sampling observations, each with about 80 rows tagged as 'control' and 'treatment'. Can you build a 10-bin equal-width histogram of sample_value and compare the two datasets so I can see how the distributions differ?"},{"title":"Survey response weight analysis","prompt":"I have 150 survey responses with numeric scores and associated weights. Can you histogram the sample_value field into 8 equal-width bins and compare the weighted responses across my two respondent groups so I can spot any distributional differences?"},{"title":"QC sampling batch before-after comparison","prompt":"We pulled 200 quality control samples before and after a process change. Can you run a 5-bin equal-width histogram on the sample_value column and do a keyed comparison between the pre-change and post-change datasets to see what shifted?"}],"resultDescription":"Returns two analytical reports: (1) an equal-width histogram showing bin boundaries and frequency/weight counts for the chosen field across the supplied rows, and (2) a keyed dataset comparison that aligns rows by row_id between the main and comparison datasets to surface differences in sample_value or sample_weight. No external data is fetched; all analysis is performed locally on the supplied records.","failureModes":["More than 200 rows submitted — request will be rejected or truncated","Missing required fields (row_id, dataset_group, date, sample_value, sample_weight) cause row-level errors","Invalid date format (not YYYY-MM-DD) causes validation failure","bin count outside 1–30 range causes schema validation error","Null values in sample_value or sample_weight may affect histogram bin calculations","Payment of 0.01 USDC not completed results in 402 response"],"whenToPreferThis":"Choose this endpoint when you need both a distribution histogram and a side-by-side keyed comparison of two sets of sampling observation records in a single API call. It is purpose-built for weighted sample data with group labels and dates, supports up to 200 rows, and delivers two reports for the price of one. Prefer this over general-purpose analytics APIs when your data matches the sample_value/sample_weight schema and you need the combined histogram + comparison output without setting up a full analytics platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:37:59.128Z","isFirstParty":false,"canonicalSlug":"sampling-observations-equal-width-histogram-keyed-dataset-comparison-0b43e9fd"}