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Guía para repasar el parcial de software
Typology: Cheat Sheet
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Es una forma de representar hechos y relaciones usando lgica matemtica.
Simulan el conocimiento de un experto humano. Componentes:
Predice un valor numrico: Y = beta0 + beta1X Mtricas:
Tabla que muestra aciertos y errores del modelo.
Modelo para clasificacin (ej: spam o no). Frmula: P(y=1) = 1 / (1 + e^-(beta0 + beta1X)) Devuelve una probabilidad entre 0 y 1. Mismas mtricas de clasificacin: Accuracy, Precision, Recall, F1. Log Loss mide la calidad de las probabilidades predichas.
Modelo que toma decisiones con preguntas (ej: edad > 18?). Divide datos en ramas hasta llegar a una decisin. Criterios para dividir: