{"uid":"cap_rv-CyoMQL40R57QvARVuY","slug":"url-canonicalization-category-frequencies-explicit-missing-value-fill-ea1e8047","name":"URL Canonicalization — Category Frequencies + Explicit Missing-Value Fill","description":"URL canonicalization — Category frequencies + Explicit missing-value fill: Category frequencies + Explicit missing-value fill for supplied url canonicalization records (observed_urls, unique_urls). 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-web-20-112?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","site_group","date","observed_urls","unique_urls"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"site_group":{"type":"string","default":"","maxLength":80},"unique_urls":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"observed_urls":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","site_group":"group-a","unique_urls":1,"observed_urls":10},{"date":"2026-10-02","row_id":"row-2","site_group":"group-b","unique_urls":2,"observed_urls":20},{"date":"2026-10-03","row_id":"row-3","site_group":"group-a","unique_urls":3,"observed_urls":15},{"date":"2026-10-04","row_id":"row-4","site_group":"group-b","unique_urls":4,"observed_urls":30}],"maxItems":200,"minItems":1},"field":{"enum":["observed_urls","unique_urls"],"type":"string","default":"observed_urls"},"method":{"enum":["zero","mean","median"],"type":"string","default":"median"}}},"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_gaZRN9eUONQiut2YvJLNk","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":"Analyzes up to 200 URL canonicalization records by computing category frequencies for site groups and filling missing values in observed_urls or unique_urls using zero, mean, or median imputation.","exampleAgentPrompt":"I have 4 rows of URL canonicalization data across two site groups (group-a and group-b) with dates from 2026-10-01 to 2026-10-04 — can you compute the category frequencies for the site_group column and fill any missing observed_urls values using the median method?","exampleUseCases":[{"title":"Missing URL metrics imputation for site audit","prompt":"I've got a dataset of 50 URL canonicalization records with some null observed_urls values across dates in October 2026 — can you fill in those missing values using the mean and also give me the frequency breakdown by site group?"},{"title":"Site group frequency analysis for SEO team","prompt":"Can you analyze my URL canonicalization records for these 3 site groups over the past month and tell me how frequently each site group appears, and fill any missing unique_urls using zero imputation?"},{"title":"Data quality prep before URL deduplication pipeline","prompt":"Before I run deduplication, I need to understand the category distribution of site_group across my 150 URL records and impute any missing observed_urls using median — can you generate both reports?"}],"resultDescription":"Two analytical reports: (1) a category frequency table showing how often each site_group value appears across the supplied rows, and (2) a missing-value fill report where nulls in the chosen numeric field (observed_urls or unique_urls) are replaced using the specified method (zero, mean, or median). Results are computed locally on the supplied data with no external lookups.","failureModes":["More than 200 rows submitted — request exceeds maxItems limit and will be rejected","Missing required fields (row_id, site_group, date, observed_urls, unique_urls) cause validation errors","Invalid date format not matching YYYY-MM-DD pattern causes schema rejection","Numeric values outside allowed range (-1,000,000,000,000 to 1,000,000,000,000) cause validation failure","Invalid method enum value (not zero, mean, or median) causes rejection","Invalid field enum value (not observed_urls or unique_urls) causes rejection"],"whenToPreferThis":"Choose this endpoint when you need two simultaneous local analytical reports on URL canonicalization datasets — specifically a site_group category frequency summary combined with missing-value imputation for numeric URL metrics. It is well-suited for preprocessing URL data before deduplication or further analysis, when you need low-cost ($0.01) batch computation on up to 200 rows without any external API calls or live web lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:45:29.253Z","isFirstParty":false,"canonicalSlug":"url-canonicalization-category-frequencies-explicit-missing-value-fill-ea1e8047"}