{"uid":"cap_SaVNiL--U06kldrwC2PMe","slug":"tree-canopy-observations-category-frequencies-equal-width-histogram-a8ad9ad8","name":"Tree Canopy Observations — Category Frequencies + Equal-Width Histogram","description":"Tree canopy observations — Category frequencies + Equal-width histogram: Category frequencies + Equal-width histogram for supplied tree canopy observations records (canopy_m2, plot_m2). 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-17-106?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","canopy_m2","plot_m2"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"plot_m2":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"canopy_m2":{"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","plot_m2":1,"canopy_m2":10,"station_group":"group-a"},{"date":"2026-10-02","row_id":"row-2","plot_m2":2,"canopy_m2":20,"station_group":"group-b"},{"date":"2026-10-03","row_id":"row-3","plot_m2":3,"canopy_m2":15,"station_group":"group-a"},{"date":"2026-10-04","row_id":"row-4","plot_m2":4,"canopy_m2":30,"station_group":"group-b"}],"maxItems":200,"minItems":1},"field":{"enum":["canopy_m2","plot_m2"],"type":"string","default":"canopy_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_TZVjViJZ9EWirrV8D_YH8","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":"Analyzes up to 200 tree canopy observation records by computing category frequencies and an equal-width histogram for canopy_m2 or plot_m2 fields.","exampleAgentPrompt":"I have 150 tree canopy observation records with canopy_m2 and plot_m2 values across different station groups — can you run a category frequency report and an equal-width histogram with 8 bins on the canopy_m2 field for me?","exampleUseCases":[{"title":"Urban tree canopy coverage analysis","prompt":"I've got canopy survey data for 120 urban plots — can you compute category frequencies and a 10-bin equal-width histogram on the canopy_m2 field so I can see how canopy coverage is distributed across my sites?"},{"title":"Forest plot size distribution audit","prompt":"I need to summarize the distribution of plot_m2 values from our forest monitoring stations — please generate category frequencies and a 5-bin equal-width histogram using the plot_m2 field across my 80 observation records."},{"title":"Multi-station canopy observation summary","prompt":"We collected tree canopy readings from three station groups over the past month — can you run a category frequency analysis and a 6-bin histogram on the canopy_m2 measurements so we can compare size distributions?"}],"resultDescription":"Two statistical reports for the submitted tree canopy observation records: (1) category frequencies showing how values cluster across station groups or categories, and (2) an equal-width histogram dividing the selected numeric field (canopy_m2 or plot_m2) into the specified number of bins with counts per bin — all computed locally without external lookups.","failureModes":["Exceeding 200 rows returns a validation error","Missing required fields (row_id, date, canopy_m2, plot_m2) causes schema rejection","Invalid date format (not YYYY-MM-DD) triggers pattern validation failure","bins value outside 1–30 range returns a parameter error","All null values in the selected numeric field may yield empty histogram","Insufficient payment (not 0.01 USDC) results in 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need two fast, local statistical analyses — category frequencies and an equal-width histogram — on tree canopy or plot area measurement records (up to 200 rows) in a single low-cost call. It is ideal for ecological, urban forestry, or environmental monitoring workflows where you need quick distributional insights without any external data lookups or model inference.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T18:51:16.596Z","isFirstParty":false,"canonicalSlug":"tree-canopy-observations-category-frequencies-equal-width-histogram-a8ad9ad8"}