{"uid":"cap_DsbayNKXCRgRBjQx7LB2B","slug":"elevation-samples-base-100-series-two-measure-correlation-d922ca65","name":"Elevation Samples — Base-100 Series + Two-Measure Correlation","description":"Elevation samples — Base-100 series + Two-measure correlation: Base-100 series + Two-measure correlation for supplied elevation samples records (elevation_m, sample_weight). 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-weather-13-165?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","station_group","date","elevation_m","sample_weight"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"elevation_m":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"station_group":{"type":"string","default":"","maxLength":80}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","elevation_m":10,"sample_weight":1,"station_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","elevation_m":20,"sample_weight":2,"station_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","elevation_m":15,"sample_weight":3,"station_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","elevation_m":30,"sample_weight":4,"station_group":"group-b"}],"maxItems":200,"minItems":1},"field":{"enum":["elevation_m","sample_weight"],"type":"string","default":"elevation_m"},"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_KRTT5jOQmsZt884caxGqM","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 indexed time series and a two-measure Pearson/rank correlation report for user-supplied elevation sample records (elevation_m, sample_weight) — no external data fetched.","exampleAgentPrompt":"I have 4 elevation sample rows — row-1 (2026-10-01, group-a, elevation_m=10, sample_weight=1), row-2 (2026-10-02, group-b, elevation_m=20, sample_weight=2), row-3 (2026-10-03, group-a, elevation_m=15, sample_weight=3), row-4 (2026-10-04, group-b, elevation_m=30, sample_weight=4) — can you run a Base-100 series rebased to row index 0 on the elevation_m field and also give me the two-measure correlation between elevation_m and sample_weight?","exampleUseCases":[{"title":"Baseline elevation trend for field stations","prompt":"I've got 50 elevation readings from two station groups over October 2026 — can you rebase them to a Base-100 series starting from the first row and also correlate elevation_m against sample_weight so I can see how they move together?"},{"title":"Compare elevation shifts across monitoring groups","prompt":"Here are 120 elevation sample records across groups A and B with dates from January through March — please produce a Base-100 index on elevation_m from row index 0 and give me the two-measure correlation report between elevation_m and sample_weight."},{"title":"Validate sample weighting vs elevation patterns","prompt":"I want to know if my sample weights track with elevation — I have 80 rows of station data with elevation_m and sample_weight values. Can you run the Base-100 series on elevation_m and the two-measure correlation between the two fields?"}],"resultDescription":"Returns two analytical reports: (1) a Base-100 indexed series where the chosen field (elevation_m or sample_weight) is normalized to 100 at the specified base_index row, with indexed values for each row; and (2) a two-measure correlation report quantifying the statistical relationship between elevation_m and sample_weight across all supplied rows. Both reports operate entirely on the user-supplied data with no external lookups.","failureModes":["Fewer than 1 row submitted — schema requires minItems:1","More than 200 rows submitted — maxItems:200 limit enforced","Invalid date format (not YYYY-MM-DD) causes row validation failure","base_index out of range (0–199) or pointing to a non-existent row index","Null values in both elevation_m and sample_weight may degrade correlation calculation","Missing required row fields (row_id, station_group, date) cause request rejection"],"whenToPreferThis":"Choose this endpoint when you have up to 200 user-supplied elevation sample rows and need both a Base-100 rebased time series AND a two-measure correlation between elevation_m and sample_weight in a single $0.01 call. It is fully self-contained — no live data fetching, external APIs, or prediction — making it ideal for offline or reproducible analytical pipelines. Prefer it over general statistics APIs when your data is already structured with station_group, date, elevation_m, and sample_weight fields and you want two specific analytical outputs (indexing + correlation) in one request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T18:49:51.293Z","isFirstParty":false,"canonicalSlug":"elevation-samples-base-100-series-two-measure-correlation-d922ca65"}