{"uid":"cap_EiNEnDSquTjb55M1cV3A2","slug":"proposal-preparation-equal-width-histogram-explicit-missing-value-fill-dd016711","name":"Proposal Preparation — Equal-Width Histogram + Explicit Missing-Value Fill","description":"Proposal preparation — Equal-width histogram + Explicit missing-value fill: Equal-width histogram + Explicit missing-value fill for supplied proposal preparation records (completed_sections, planned_sections). 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-writing-08-175?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","document_group","date","completed_sections","planned_sections"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"document_group":{"type":"string","default":"","maxLength":80},"planned_sections":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"completed_sections":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","document_group":"group-a","planned_sections":1,"completed_sections":10},{"date":"2026-10-02","row_id":"row-2","document_group":"group-b","planned_sections":2,"completed_sections":20},{"date":"2026-10-03","row_id":"row-3","document_group":"group-a","planned_sections":3,"completed_sections":15},{"date":"2026-10-04","row_id":"row-4","document_group":"group-b","planned_sections":4,"completed_sections":30}],"maxItems":200,"minItems":1},"field":{"enum":["completed_sections","planned_sections"],"type":"string","default":"completed_sections"},"method":{"enum":["zero","mean","median"],"type":"string","default":"median"}}},"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_lu-UHZiKeuopAVR3djNIv","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":"Generates an equal-width histogram and fills missing values for proposal preparation records (completed_sections, planned_sections) across up to 200 rows.","exampleAgentPrompt":"Can you run an equal-width histogram with 5 bins and fill any missing values using median on these proposal records? I have completed_sections and planned_sections for about 50 rows across two document groups, and I want both reports for the completed_sections field.","exampleUseCases":[{"title":"Proposal completion distribution analysis","prompt":"I have 120 proposal records with completed_sections and planned_sections values — some are null. Can you bucket the completed_sections into 8 equal-width bins and fill the missing values using the mean so I can see the distribution?"},{"title":"Grant writing progress audit","prompt":"Here are 60 rows of grant proposal tracking data with dates, document groups, row IDs, and section counts. Fill any missing planned_sections values using zero and give me a 10-bin histogram so I can spot where most proposals are concentrated."},{"title":"Multi-group proposal milestone review","prompt":"I need to review section completion across two proposal groups — group-alpha and group-beta. Can you run a histogram with 5 bins and median fill on the completed_sections field for these 80 records?"}],"resultDescription":"Returns two analytical reports: (1) an equal-width histogram showing bin boundaries and row counts for the selected numeric field (completed_sections or planned_sections), and (2) a missing-value fill report showing how null values in that field were replaced using the chosen strategy (zero, mean, or median). Both reports are computed locally with no external lookups.","failureModes":["Exceeding 200 rows returns a validation error","Invalid date format (not YYYY-MM-DD) causes schema rejection","Numeric values outside ±1,000,000,000,000 are rejected","Missing required fields (row_id, date, document_group) cause row-level errors","bins value below 1 or above 30 is rejected","Payment failure or insufficient USDC balance blocks the call"],"whenToPreferThis":"Choose this endpoint when you have proposal preparation records with completed_sections and/or planned_sections fields and need both a frequency distribution (histogram) and missing-value imputation in a single call for up to 200 rows. It is ideal for lightweight, local statistical summarization without needing a full analytics platform or live data connection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T12:32:46.089Z","isFirstParty":false,"canonicalSlug":"proposal-preparation-equal-width-histogram-explicit-missing-value-fill-dd016711"}