{"uid":"cap_udzymjuCbQeoPYgXyjo70","slug":"page-change-observations-trailing-mean-series-two-measure-correlation-adbf4f11","name":"Page Change Observations — Trailing Mean Series + Two-Measure Correlation","description":"Page change observations — Trailing mean series + Two-measure correlation: Trailing mean series + Two-measure correlation for supplied page change observations records (changed_blocks, total_blocks). 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-12-150?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","site_group","date","changed_blocks","total_blocks"],"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},"total_blocks":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"changed_blocks":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","site_group":"group-a","total_blocks":1,"changed_blocks":10},{"date":"2026-10-02","row_id":"row-2","site_group":"group-b","total_blocks":2,"changed_blocks":20},{"date":"2026-10-03","row_id":"row-3","site_group":"group-a","total_blocks":3,"changed_blocks":15},{"date":"2026-10-04","row_id":"row-4","site_group":"group-b","total_blocks":4,"changed_blocks":30}],"maxItems":200,"minItems":1},"field":{"enum":["changed_blocks","total_blocks"],"type":"string","default":"changed_blocks"},"window":{"type":"integer","default":2,"maximum":200,"minimum":2}}},"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_msTliqOxlt0EzqTft_fgu","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 trailing moving-average time series and Pearson/rank correlation between changed_blocks and total_blocks for up to 200 page-change observation rows.","exampleAgentPrompt":"I have 150 rows of page change observations with changed_blocks and total_blocks values per date and site group — can you run a trailing mean series with a window of 7 and also compute the two-measure correlation between changed_blocks and total_blocks across all rows?","exampleUseCases":[{"title":"Rolling average for site monitoring dashboard","prompt":"I've got daily page change records for two site groups over the past 3 months — each row has changed_blocks and total_blocks. Can you compute a trailing mean series with a window of 14 days on changed_blocks so I can smooth out the noise for my monitoring dashboard?"},{"title":"Correlation check between block change metrics","prompt":"I want to know how closely changed_blocks and total_blocks track each other in my page observation data — run the two-measure correlation on these 80 rows and tell me if the two metrics are strongly related."},{"title":"Weekly trend analysis across site groups","prompt":"Here are 200 rows of page change observations grouped by site — can you do a trailing mean series with window size 5 on total_blocks plus the two-measure correlation between changed_blocks and total_blocks so I can see weekly trends and relationships?"}],"resultDescription":"Returns two independent analytical reports: (1) a trailing mean time series showing rolling averages for the selected field (changed_blocks or total_blocks) over the specified window, and (2) a two-measure correlation report quantifying the statistical relationship between changed_blocks and total_blocks across the supplied rows. Both reports are computed locally on the supplied data with no external lookups.","failureModes":["Fewer than 1 row supplied — minimum row count not met","Window size exceeds number of supplied rows — insufficient data for trailing mean calculation","Invalid date format (must be YYYY-MM-DD) causing parse failure","Numeric values outside allowed range (±1,000,000,000,000) rejected","More than 200 rows supplied — exceeds maximum batch size","Missing required fields (row_id, date, changed_blocks, total_blocks) on any row"],"whenToPreferThis":"Choose this endpoint when you have pre-collected page change observation records (with changed_blocks and total_blocks fields) and need both a rolling/trailing mean time series AND a correlation analysis between the two block metrics in a single low-cost call. Ideal for web monitoring pipelines, site diff analytics, or content change tracking where you want to smooth trends and measure inter-metric relationships without sending data to an external prediction or ML service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:38:43.653Z","isFirstParty":false,"canonicalSlug":"page-change-observations-trailing-mean-series-two-measure-correlation-adbf4f11"}