{"uid":"cap_UVZYt0LvV5s8HShstj2UT","slug":"lead-stage-multiclass-brier-score-calculator-2f4526ba","name":"Lead Stage Multiclass Brier Score Calculator","description":"Lead stage - Multiclass Brier score: Multiclass Brier score for Lead stage. Up to 200 supplied labelled text records. Local dataset tools, evaluation and small naive-Bayes baselines; no hosted model or foundation-model training. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded multiclass brier score deliverable.","url":"https://market.datapackvibe.com/x402/assistant-sector-ml-lead-stage-brier?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"records":{"type":"array","items":{"type":"object","required":["id","text","actual","predicted","probabilities"],"properties":{"id":{"type":"string","default":"","maxLength":80,"minLength":1},"text":{"type":"string","default":"","maxLength":1000},"actual":{"enum":["enquiry","qualified","negotiation","closed"],"type":"string"},"predicted":{"enum":["enquiry","qualified","negotiation","closed"],"type":"string"},"probabilities":{"type":"array","items":{"type":"number","default":0,"maximum":1,"minimum":0},"default":[],"maxItems":4,"minItems":4}},"additionalProperties":false},"default":[{"id":"example-0-0","text":"enquiry sample document number 0 for this supplied dataset.","actual":"enquiry","predicted":"enquiry","probabilities":[0.8,0.06666666666666667,0.06666666666666667,0.06666666666666667]},{"id":"example-0-1","text":"enquiry sample document number 1 for this supplied dataset.","actual":"enquiry","predicted":"enquiry","probabilities":[0.8,0.06666666666666667,0.06666666666666667,0.06666666666666667]},{"id":"example-0-2","text":"enquiry sample document number 2 for this supplied dataset.","actual":"enquiry","predicted":"enquiry","probabilities":[0.8,0.06666666666666667,0.06666666666666667,0.06666666666666667]},{"id":"example-1-0","text":"qualified sample document number 0 for this supplied dataset.","actual":"qualified","predicted":"qualified","probabilities":[0.06666666666666667,0.8,0.06666666666666667,0.06666666666666667]},{"id":"example-1-1","text":"qualified sample document number 1 for this supplied dataset.","actual":"qualified","predicted":"qualified","probabilities":[0.06666666666666667,0.8,0.06666666666666667,0.06666666666666667]},{"id":"example-1-2","text":"qualified sample document number 2 for this supplied dataset.","actual":"qualified","predicted":"qualified","probabilities":[0.06666666666666667,0.8,0.06666666666666667,0.06666666666666667]},{"id":"example-2-0","text":"negotiation sample document number 0 for this supplied dataset.","actual":"negotiation","predicted":"negotiation","probabilities":[0.06666666666666667,0.06666666666666667,0.8,0.06666666666666667]},{"id":"example-2-1","text":"negotiation sample document number 1 for this supplied dataset.","actual":"negotiation","predicted":"negotiation","probabilities":[0.06666666666666667,0.06666666666666667,0.8,0.06666666666666667]},{"id":"example-2-2","text":"negotiation sample document number 2 for this supplied dataset.","actual":"negotiation","predicted":"negotiation","probabilities":[0.06666666666666667,0.06666666666666667,0.8,0.06666666666666667]},{"id":"example-3-0","text":"closed sample document number 0 for this supplied dataset.","actual":"closed","predicted":"closed","probabilities":[0.06666666666666667,0.06666666666666667,0.06666666666666667,0.8]},{"id":"example-3-1","text":"closed sample document number 1 for this supplied dataset.","actual":"closed","predicted":"closed","probabilities":[0.06666666666666667,0.06666666666666667,0.06666666666666667,0.8]},{"id":"example-3-2","text":"closed sample document number 2 for this supplied dataset.","actual":"closed","predicted":"closed","probabilities":[0.06666666666666667,0.06666666666666667,0.06666666666666667,0.8]}],"maxItems":200,"minItems":2}}},"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_4u1u_2R3rvCg0P7NTRKE2","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":"Computes the multiclass Brier score to evaluate probabilistic classifier performance on lead stage predictions across four sales pipeline stages.","exampleAgentPrompt":"Can you compute the multiclass Brier score for my lead stage classifier? I have 50 labelled records with actual stages (enquiry, qualified, negotiation, or closed) and the model's predicted stage and four class probabilities for each one.","exampleUseCases":[{"title":"CRM model quality check","prompt":"I've trained a lead stage classifier that predicts whether a lead is in enquiry, qualified, negotiation, or closed stage. I have 80 labelled records with the actual stage, predicted stage, and the four class probabilities. Can you compute the multiclass Brier score to see how well-calibrated my model's probability estimates are?"},{"title":"Comparing two lead scoring models","prompt":"I want to compare two versions of my lead stage model. Can you calculate the multiclass Brier score for my 150 labelled records — each has an id, the text, the actual stage (enquiry, qualified, negotiation, or closed), the predicted stage, and the probability array — so I can see which model is better calibrated?"},{"title":"Validating a naive Bayes baseline","prompt":"Before I invest in a more complex model, I want to benchmark my naive Bayes baseline for classifying sales leads into enquiry, qualified, negotiation, or closed. I have 40 labelled test records with actual labels, predictions, and class probabilities. Can you run the multiclass Brier score calculation on them?"}],"resultDescription":"Returns a multiclass Brier score value quantifying the mean squared difference between predicted class probability distributions and the one-hot encoded actual class labels across all supplied records. Lower scores indicate better-calibrated probabilistic predictions across the four lead stages (enquiry, qualified, negotiation, closed).","failureModes":["Records exceeding the 200-item limit may be rejected or truncated","Probability arrays not summing to 1 or not containing exactly 4 values may cause errors","Invalid or missing actual/predicted enum values (outside enquiry, qualified, negotiation, closed) will fail validation","Empty records array returns no meaningful score","Record IDs exceeding 80 characters will fail schema validation"],"whenToPreferThis":"Choose this endpoint when you need to evaluate a probabilistic multi-class classifier specifically for sales lead stage prediction across the four standard stages (enquiry, qualified, negotiation, closed), with up to 200 labelled records. It is purpose-built for the lead stage domain and bundles evaluation tooling without requiring a hosted model, making it ideal for quick validation of local or naive Bayes classifiers at very low cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T00:58:39.303Z","isFirstParty":false,"canonicalSlug":"lead-stage-multiclass-brier-score-calculator-2f4526ba"}