{"uid":"cap_-9f-FCTICT-t1UlAdj64v","slug":"null-coverage-analytics-equal-width-histogram-two-measure-correlation-5143920a","name":"Null Coverage Analytics: Equal-Width Histogram + Two-Measure Correlation","description":"Null coverage — Equal-width histogram + Two-measure correlation: Equal-width histogram + Two-measure correlation for supplied null coverage records (missing_values, total_values). 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-03-171?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","missing_values","total_values"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"total_values":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80},"missing_values":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","total_values":1,"dataset_group":"group-a","missing_values":10},{"date":"2026-10-02","row_id":"row-2","total_values":2,"dataset_group":"group-b","missing_values":20},{"date":"2026-10-03","row_id":"row-3","total_values":3,"dataset_group":"group-a","missing_values":15},{"date":"2026-10-04","row_id":"row-4","total_values":4,"dataset_group":"group-b","missing_values":30}],"maxItems":200,"minItems":1},"field":{"enum":["missing_values","total_values"],"type":"string","default":"missing_values"}}},"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_ZHC1mAbkh7SsIWv0hmarc","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 an equal-width histogram and a two-measure correlation report for supplied null coverage data (missing_values, total_values) across up to 200 rows.","exampleAgentPrompt":"Run a histogram and correlation report on my null coverage data — I have 4 records with missing_values like 10, 20, 15, 30 and total_values 1, 2, 3, 4 across two groups, use 5 bins and analyze the missing_values field.","exampleUseCases":[{"title":"Data pipeline quality distribution check","prompt":"I have 50 dataset records with missing_values and total_values tracked daily — can you bucket the missing_values into 10 equal-width histogram bins and also tell me how correlated missing_values and total_values are across those records?"},{"title":"Multi-group null rate correlation audit","prompt":"I need to compare null coverage across two dataset groups over the past month. Here are 80 rows with row_id, dataset_group, date, missing_values and total_values — please generate a histogram with 8 bins on missing_values and run the two-measure correlation report."},{"title":"Data completeness trend analysis","prompt":"Can you analyze these 120 data quality records for me? I want an equal-width histogram of total_values using 6 bins and a correlation between missing_values and total_values so I can see how completeness scales with dataset size."}],"resultDescription":"Returns two independent analytical reports: (1) an equal-width histogram partitioning the chosen field (missing_values or total_values) into the specified number of bins with counts per bin, and (2) a two-measure correlation report quantifying the relationship between missing_values and total_values across the supplied rows. Up to 200 rows are supported per call.","failureModes":["More than 200 rows submitted — request rejected due to maxItems constraint","Invalid date format (not YYYY-MM-DD) causes schema validation failure","bins value out of range (must be 1–30) causes rejection","Missing required fields (row_id, dataset_group, date, missing_values, total_values) causes validation error","All missing_values or total_values are null — correlation cannot be computed","Payment not provided or insufficient — x402 payment required error"],"whenToPreferThis":"Choose this endpoint when you need both a distributional view (histogram) and a linear relationship measure (correlation) for null coverage metrics in a single paid call. It is purpose-built for data quality profiling of missing_values and total_values fields, handling up to 200 rows per call at low cost. Prefer it over general-purpose analytics tools when working specifically with null/missing value tracking datasets and when you want two complementary statistical reports bundled together.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T00:58:10.495Z","isFirstParty":false,"canonicalSlug":"null-coverage-analytics-equal-width-histogram-two-measure-correlation-5143920a"}