{"uid":"cap_HHK-WihpEuwL6IsFseNJI","slug":"land-parcel-observations-equal-width-histogram-secondary-measure-5a2b1e53","name":"Land Parcel Observations — Equal-Width Histogram + Secondary-Measure Weighted Mean","description":"Land parcel observations — Equal-width histogram + Secondary-measure weighted mean: Equal-width histogram + Secondary-measure weighted mean for supplied land parcel observations records (area_m2, perimeter_m). 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-14-172?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"bins":{"type":"integer","default":5,"maximum":30,"minimum":1},"rows":{"type":"array","items":{"type":"object","required":["row_id","station_group","date","area_m2","perimeter_m"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"area_m2":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"perimeter_m":{"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","area_m2":10,"perimeter_m":1,"station_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","area_m2":20,"perimeter_m":2,"station_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","area_m2":15,"perimeter_m":3,"station_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","area_m2":30,"perimeter_m":4,"station_group":"group-b"}],"maxItems":200,"minItems":1},"field":{"enum":["area_m2","perimeter_m"],"type":"string","default":"area_m2"}}},"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_6e36fSYkkTkkTtesRBRhg","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 an equal-width histogram and a secondary-measure weighted mean for supplied land parcel observation records (area_m2, perimeter_m) — up to 200 rows, two analytical reports per call.","exampleAgentPrompt":"I have 150 land parcel records with area_m2 and perimeter_m values — can you run an equal-width histogram on area_m2 using 10 bins, plus a secondary-measure weighted mean, for all those rows?","exampleUseCases":[{"title":"Parcel size distribution for planning report","prompt":"I've got 80 land parcel records from our survey dataset — run an equal-width histogram on the area_m2 field with 8 bins so I can see how parcel sizes are distributed across the dataset."},{"title":"Weighted mean perimeter analysis","prompt":"Using these 120 parcel observation rows, can you compute the secondary-measure weighted mean for perimeter_m, treating area_m2 as the weight field? I need both the histogram and the weighted mean in one report."},{"title":"Station group parcel analytics","prompt":"I have parcel observations for two station groups across 60 rows with dates, area_m2, and perimeter_m — please run an equal-width histogram with 5 bins on area_m2 plus the weighted mean report for all of them."}],"resultDescription":"Returns two analytical reports: (1) an equal-width histogram over the selected primary field (area_m2 or perimeter_m) with the specified number of bins, including bin edges and frequencies; and (2) a secondary-measure weighted mean where one land parcel measurement is used as the weight for the other. Both reports are computed locally on the supplied rows with no external lookups.","failureModes":["More than 200 rows submitted — endpoint rejects with validation error","Missing required fields (row_id, station_group, date, area_m2, perimeter_m) on any row causes rejection","Bins parameter outside 1–30 range returns validation error","Invalid date format (must be YYYY-MM-DD) causes row-level error","All null values in the selected primary field may produce empty or degenerate histogram","Payment of 0.01 USDC not included or rejected causes 402 response"],"whenToPreferThis":"Choose this endpoint when you have up to 200 land parcel observation records with area_m2 and perimeter_m fields and need both a frequency distribution (equal-width histogram) and a weighted mean computed in a single paid call. It is purpose-built for land parcel data and bundles two statistical reports for one low-cost payment, making it efficient compared to general-purpose analytics APIs when your data fits the schema.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T12:38:27.957Z","isFirstParty":false,"canonicalSlug":"land-parcel-observations-equal-width-histogram-secondary-measure-5a2b1e53"}