{"uid":"cap_n9LpVEVbsdJEKoSiVmOhQ","slug":"null-coverage-analytics-category-frequencies-equal-width-histogram-c76c6a66","name":"Null Coverage Analytics: Category Frequencies + Equal-Width Histogram","description":"Null coverage — Category frequencies + Equal-width histogram: Category frequencies + Equal-width histogram 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-03-106?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_DQlPJ49X6zGuq2kyDNmwF","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 two local analytical reports — category frequency counts and an equal-width histogram — for supplied null coverage data (missing_values, total_values) across up to 200 rows.","exampleAgentPrompt":"I have 50 records of null coverage data with missing_values and total_values per dataset group — can you run a category frequency report and a 10-bin equal-width histogram on the missing_values field for me?","exampleUseCases":[{"title":"Data quality audit by group","prompt":"I have null coverage records for my ETL pipeline across groups like 'raw', 'cleaned', and 'aggregated' — can you give me a category frequency breakdown and a 5-bin histogram of the missing_values field so I can see which groups have the worst data quality?"},{"title":"Monitoring missing values over time","prompt":"Here are 120 rows of daily null coverage snapshots with missing_values and total_values — can you compute a 15-bin equal-width histogram on total_values and show me how often each dataset_group appears in the data?"},{"title":"Pre-reporting data completeness check","prompt":"Before I publish my monthly data completeness report, can you analyze these 80 null coverage records and give me both a category frequency table for dataset groups and an equal-width histogram with 8 bins for missing_values?"}],"resultDescription":"Returns two analytical reports computed locally from the supplied rows: (1) a category frequency table showing counts per dataset_group value, and (2) an equal-width histogram over the chosen numeric field (missing_values or total_values) with the specified number of bins (1–30, default 5). No external data is fetched; all computation is performed on the submitted records.","failureModes":["Fewer than 1 or more than 200 rows submitted — request rejected","Invalid date format (not YYYY-MM-DD) in any row — validation error","Numeric field values outside allowed range (±1 trillion) — rejected","Invalid bins value outside 1–30 range — validation error","Missing required row fields (row_id, dataset_group, date, missing_values, total_values) — schema error","Field enum value not one of 'missing_values' or 'total_values' — error"],"whenToPreferThis":"Choose this endpoint when you have already collected null coverage records and need fast, local statistical summarization — specifically category frequency counts and histogram distributions — without any external lookup or prediction. Ideal for data quality monitoring pipelines, ETL auditing, and pre-reporting data completeness checks where you want two complementary views (categorical + numeric distribution) in a single $0.01 call for up to 200 rows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T06:55:20.332Z","isFirstParty":false,"canonicalSlug":"null-coverage-analytics-category-frequencies-equal-width-histogram-c76c6a66"}