{"uid":"cap_rsXw_hfMGnjZv9MwPhKRj","slug":"kihustle-json-covariance-matrix-88bcdf38","name":"KiHustle JSON Covariance Matrix","description":"Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.","url":"https://kihustle.tech/nexus/api/v1/json-covariance-matrix?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"datasets":{"type":"object"}}},"responseSchema":{"type":"json","example":{"result":"processed","status":"success"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rNMyGVJY9lxKUE3lgo-IE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes a JSON covariance matrix from one or more submitted datasets","exampleAgentPrompt":"Can you compute the covariance matrix for my dataset? I have three variables — sales, temperature, and foot traffic — with 30 daily observations each.","exampleUseCases":[{"title":"Portfolio risk covariance analysis","prompt":"I have daily returns for five assets over the past year as a JSON object. Can you compute the covariance matrix so I can use it for portfolio optimization?"},{"title":"ML feature correlation check","prompt":"Before training my model, I want to understand how my input features relate to each other. Can you run a covariance matrix on this dataset with columns: age, income, and purchase_frequency?"},{"title":"Experimental data variance structure","prompt":"I have measurements from a scientific experiment across four variables and 50 observations. Can you calculate the covariance matrix for me in JSON format?"}],"resultDescription":"Returns a JSON object containing the computed covariance matrix result, with a 'result' field indicating the processed matrix data and a 'status' field confirming success.","failureModes":["Malformed or missing datasets object returns an error","Non-numeric data in datasets may cause computation failure","Empty datasets input likely results in a processing error","Extremely large datasets may time out or return unexpected results"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call covariance matrix computation in JSON format without setting up a local statistics library or data science environment. Best for quick statistical checks on small-to-medium datasets passed as JSON objects.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:47:01.913Z","isFirstParty":false,"canonicalSlug":"kihustle-json-covariance-matrix-2676e09f"}