{"uid":"cap_YFvjdoNZCvMDU7tGqhtcr","slug":"study-notes-missingness-co-occurrence-analyzer-a599219c","name":"Study Notes Missingness Co-occurrence Analyzer","description":"Count joint absence of source, locator and confidence-basis metadata in study notes without imputation or a quality score. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.","url":"https://www.mahastrategies.com/api/v1/context/study-notes/missingness-cooccurrence?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"notes":{"type":"array","maxItems":32,"minItems":1},"dataClass":{"enum":["public","synthetic"],"type":"string"},"nonpersonalMetadata":{"type":"boolean","const":true}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.020296","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":"$0.020296/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.020296","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.020296","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o3uMEWh4TdoYrftggSPfI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.020296","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Counts joint absences of source, locator, and confidence-basis metadata fields across study notes without imputation or quality scoring","exampleAgentPrompt":"Can you check these 10 study notes for joint missingness in their source, locator, and confidence-basis metadata — no imputation, just raw co-occurrence counts? They're all public, nonpersonal metadata only.","exampleUseCases":[{"title":"Research corpus metadata gap audit","prompt":"I have 20 study notes from a public dataset and I need to know how often source, locator, and confidence-basis are all missing at the same time — no filling in blanks, just count the joint absences for me. All metadata is nonpersonal and public."},{"title":"Systematic bias detection in note metadata","prompt":"Can you run a missingness co-occurrence check on these 15 synthetic study notes? I want to see which combinations of source, locator, and confidence-basis fields tend to be absent together, with no imputation applied — nonpersonal metadata only."},{"title":"Pre-analysis metadata completeness check","prompt":"Before I run my analysis, I'd like to audit these 8 study notes to count how many are jointly missing both source and confidence-basis metadata — treat them as public data, no imputation, and only look at nonpersonal metadata fields."}],"resultDescription":"Returns counts and co-occurrence patterns of joint absences across source, locator, and confidence-basis metadata fields in the submitted study notes, without any imputation or quality scoring applied. Results are retained for 24 hours; minimal receipt metadata is retained for 90 days.","failureModes":["notes array empty or exceeds 32 items — validation error","nonpersonalMetadata not set to true — request rejected","dataClass not one of 'public' or 'synthetic' — schema validation failure","malformed note objects in array — parsing error","service unavailable — transient 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a raw, unimputed count of joint metadata absences (source, locator, confidence-basis) across study notes and do not need quality scoring or data filling. Ideal for pre-analysis audits, systematic gap detection, and research pipelines that require strict nonpersonal, offline metadata handling with public or synthetic data only.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:47:12.362Z","isFirstParty":false,"canonicalSlug":"study-notes-missingness-co-occurrence-analyzer-a599219c"}