Econometría | Parcial 1

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10 Terms

1

Propósito de un análisis de regresión

Explicar la variación de la variable dependiente

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2

Variable independiente (x)

Variable explicativa

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3

Ecuación lineal

y = b0 + b1x

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4

Recta de regresión

Línea que mejor se ajusta al diagrama de dispersión

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5

Método de mínimos cuadrados

La recta que minimice la suma de los errores cuadrados

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6

Coeficiente de Determinación (R-cuadrado)

El porcentaje de la variación en y que se explica por la variación en x

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7

Significativo

Suficientemente grande como para rechazar la hipótesis de que el verdadero coeficiente es cero.

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8

b0

Ordenada en el origen, cuanto es Y cuando X=0

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9

b1

Pendiente, cuánto aumenta Y por cada aumento de una unidad en X

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10

Diagrama de dispersión

Representación en un sistema de coordenadas cartesianas de los datos numéricos observados

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