{"uid":"cap_BMIONyj1t-_DcV3nh3uJd","slug":"feed-observations-base-100-series-and-secondary-measure-weighted-mean-6be03e96","name":"Feed Observations Base-100 Series and Secondary-Measure Weighted Mean","description":"Feed observations — Base-100 series + Secondary-measure weighted mean: Base-100 series + Secondary-measure weighted mean for supplied feed observations records (item_count, duplicate_items). 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-11-166?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","site_group","date","item_count","duplicate_items"],"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},"site_group":{"type":"string","default":"","maxLength":80},"duplicate_items":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","item_count":10,"site_group":"group-a","duplicate_items":1},{"date":"2026-10-02","row_id":"row-2","item_count":20,"site_group":"group-b","duplicate_items":2},{"date":"2026-10-03","row_id":"row-3","item_count":15,"site_group":"group-a","duplicate_items":3},{"date":"2026-10-04","row_id":"row-4","item_count":30,"site_group":"group-b","duplicate_items":4}],"maxItems":200,"minItems":1},"field":{"enum":["item_count","duplicate_items"],"type":"string","default":"item_count"},"base_index":{"type":"integer","default":0,"maximum":199,"minimum":0}}},"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_3Ynz2uE_-PJpscD8dZ_xJ","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 a base-100 index series and a secondary-measure weighted mean for up to 200 rows of feed observation data (item_count, duplicate_items) using local analytical engines.","exampleAgentPrompt":"I have feed observation data for two site groups over several dates — can you generate a base-100 index series for item_count starting from row 0, plus a weighted mean for duplicate_items, for these rows: group-a on 2026-10-01 had 10 items and 1 duplicate, group-b on 2026-10-02 had 20 items and 2 duplicates?","exampleUseCases":[{"title":"Duplicate rate trend analysis","prompt":"I've got a week of feed observation records across two site groups — can you index the duplicate_items values as a base-100 series starting from the first row and also give me the weighted mean for that metric? Here's the data: group-a on 2026-10-01 had 10 items and 1 duplicate, group-a on 2026-10-03 had 15 items and 3 duplicates, group-b on 2026-10-02 had 20 items and 2 duplicates, group-b on 2026-10-04 had 30 items and 4 duplicates."},{"title":"Item count normalization for reporting","prompt":"Can you create a base-100 index series for item_count across these four feed observation rows and also calculate the secondary weighted mean? Use row 0 as the base. My data: group-a 2026-10-01 item_count=10 duplicates=1, group-b 2026-10-02 item_count=20 duplicates=2, group-a 2026-10-03 item_count=15 duplicates=3, group-b 2026-10-04 item_count=30 duplicates=4."},{"title":"Cross-site-group feed quality comparison","prompt":"I need two reports on my feed observations: a base-100 series and a weighted mean — for item_count, anchored at base_index 0. The records are: row-1 group-a 2026-10-01 item_count=100 duplicate_items=5, row-2 group-b 2026-10-01 item_count=200 duplicate_items=10, row-3 group-a 2026-10-02 item_count=150 duplicate_items=8."}],"resultDescription":"Returns two analytical reports: (1) a base-100 index series for the chosen field (item_count or duplicate_items) relative to the specified base row, and (2) a secondary-measure weighted mean across the supplied feed observation rows. Both are computed locally with no external lookups, covering up to 200 input rows.","failureModes":["Fewer than 1 row supplied — request rejected","More than 200 rows supplied — exceeds maxItems limit","Invalid date format (not YYYY-MM-DD) — schema validation error","base_index out of range (≥ number of rows) — index out of bounds error","Missing required fields (row_id, site_group, date, item_count, duplicate_items) — validation failure","Payment not included or insufficient — x402 payment required error"],"whenToPreferThis":"Choose this endpoint when you have tabular feed observation data with item counts and duplicate item counts and need both a base-100 normalized index series and a weighted mean computed in a single call, without any external data lookups or live predictions. It is cost-effective at $0.01 USDC for two reports on up to 200 rows. Prefer it over general analytics APIs when working specifically with feed monitoring data keyed by site_group and date.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:45:29.733Z","isFirstParty":false,"canonicalSlug":"feed-observations-base-100-series-and-secondary-measure-weighted-mean-6be03e96"}