{"uid":"cap_KLD-aOtGdx0hbiKYv_ax2","slug":"question-bank-coverage-string-normalisation-trailing-mean-series-ded2718d","name":"Question Bank Coverage — String Normalisation + Trailing Mean Series","description":"Question bank coverage — String normalisation + Trailing mean series: String normalisation + Trailing mean series for supplied question bank coverage records (item_count, objective_count). 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-education-18-028?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","course_group","date","item_count","objective_count"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"item_count":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"course_group":{"type":"string","default":"","maxLength":80},"objective_count":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","item_count":10,"course_group":"group-a","objective_count":1},{"date":"2026-10-02","row_id":"row-2","item_count":20,"course_group":"group-b","objective_count":2},{"date":"2026-10-03","row_id":"row-3","item_count":15,"course_group":"group-a","objective_count":3},{"date":"2026-10-04","row_id":"row-4","item_count":30,"course_group":"group-b","objective_count":4}],"maxItems":200,"minItems":1},"field":{"enum":["item_count","objective_count"],"type":"string","default":"item_count"},"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_IfE718TinrHzcC8vubXmH","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":"Runs string normalisation and trailing mean series analysis on question bank coverage records (item_count, objective_count) for up to 200 rows, returning two analytical reports.","exampleAgentPrompt":"Run a string normalisation and trailing mean series (window of 3) on my question bank coverage data using item_count as the field — I have 5 rows: row-1 2026-10-01 group-a item_count=10 objective_count=2, row-2 2026-10-02 group-b item_count=20 objective_count=3, row-3 2026-10-03 group-a item_count=15 objective_count=4, row-4 2026-10-04 group-b item_count=30 objective_count=5, row-5 2026-10-05 group-a item_count=25 objective_count=6.","exampleUseCases":[{"title":"Smoothing item count trends by course group","prompt":"I have 30 rows of daily question bank coverage data across two course groups and I want to see a trailing mean series with a window of 5 on item_count, plus normalized course group strings — can you run both reports for me?"},{"title":"Objective coverage rolling average for curriculum audit","prompt":"Can you compute a trailing mean series with window size 7 for objective_count across my 50-row question bank coverage dataset, along with string normalisation on the course group labels? Here are the rows..."},{"title":"Detecting coverage gaps with smoothed metrics","prompt":"I need to spot trends in question bank coverage over the last quarter — please run a string normalisation and trailing mean series (window of 4) on my item_count field for these 20 coverage records grouped by course."}],"resultDescription":"Returns two analytical reports: (1) a string-normalisation report standardising course_group labels and text fields across submitted rows, and (2) a trailing mean series for the selected numeric field (item_count or objective_count) computed with the specified window size over up to 200 supplied rows. No external data is fetched; all computation is local to the engine.","failureModes":["Fewer than 1 row submitted returns a validation error","Window size larger than number of rows may yield incomplete trailing mean values or error","Missing required fields (row_id, date, course_group) cause schema validation failure","date values not matching YYYY-MM-DD pattern are rejected","More than 200 rows submitted exceeds the maximum and is rejected","Null numeric values in item_count or objective_count may produce gaps in the trailing mean series"],"whenToPreferThis":"Choose this endpoint when you need both string normalisation of categorical labels (course groups) and a trailing mean smoothing series for numeric question bank coverage metrics in a single low-cost call. Ideal for education analytics pipelines processing up to 200 rows of time-series coverage data without requiring live lookups or external data sources. Best when you need two bundled local analytical reports at minimal cost ($0.01 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:49:48.805Z","isFirstParty":false,"canonicalSlug":"question-bank-coverage-string-normalisation-trailing-mean-series-ded2718d"}