{"uid":"cap_qZzHIWaZ47y9sVAg5l7DX","slug":"kihustle-pearson-correlation-coefficient-calculator-ec450ae6","name":"KiHustle Pearson Correlation Coefficient Calculator","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/bot-bazaar/api/v1/json-correlation-pearson?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"series_a":{"type":"array","items":{"type":"number"}},"series_b":{"type":"array","items":{"type":"number"}}}},"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_w2XJIJ2Lnx8GcLMBOfYSK","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 the Pearson correlation coefficient between two numeric data series","exampleAgentPrompt":"Can you calculate the Pearson correlation between these two data series? Series A: [1, 2, 3, 4, 5] and Series B: [2.1, 3.9, 6.2, 7.8, 10.1]","exampleUseCases":[{"title":"Stock price correlation analysis","prompt":"I have daily closing prices for two stocks over the past month — can you calculate the Pearson correlation between Series A [102, 105, 103, 108, 110, 107] and Series B [55, 57, 54, 59, 61, 58] to see how closely they move together?"},{"title":"Marketing spend vs revenue relationship","prompt":"Check the correlation between my monthly ad spend figures [500, 700, 650, 900, 1100] and the corresponding revenue numbers [4200, 5800, 5300, 7100, 8900] using Pearson — I want to know how strongly they're related."},{"title":"Sensor data synchronization check","prompt":"I have two sensor readings taken at the same intervals — series A is [0.5, 1.2, 1.8, 2.4, 3.1] and series B is [0.6, 1.1, 1.9, 2.5, 3.0] — can you run a Pearson correlation to see if they're measuring the same thing?"}],"resultDescription":"Returns a JSON object containing the Pearson correlation coefficient (r value) between the two input numeric series, along with a success status indicator. The r value ranges from -1 (perfect negative correlation) to +1 (perfect positive correlation), with 0 indicating no linear relationship.","failureModes":["Mismatched array lengths — series_a and series_b must have equal number of elements","Empty arrays or single-element arrays may produce undefined or division-by-zero results","Non-numeric values in either array will cause processing errors","Zero-variance series (all identical values) will produce NaN or error due to undefined standard deviation","Payment failure via x402 protocol returns 402 status before computation"],"whenToPreferThis":"Choose this endpoint when you need a quick, inexpensive ($0.002 USDC) stateless Pearson correlation computation via a simple API call, especially in automated agent pipelines that already handle x402 micropayments. Prefer this over local computation when you need a hosted, consistent implementation or when working within an agent environment without access to statistical libraries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:42:48.480Z","isFirstParty":false,"canonicalSlug":"kihustle-pearson-correlation-coefficient-calculator-ec450ae6"}