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Parametrized Predictors
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A startup is developing a predictive model to forecast sales based on various marketing strategies. They decide to use a linear regression model as their parametrized predictor. Which of the following statements best describes a crucial aspect of their model design related to the parametrized nature of the predictor?

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A

The model's accuracy will depend heavily on the choice of parameters, which must be optimized to minimize the prediction error.

B

The model will automatically adjust its parameters based on sales data without any need for manual tuning.

C

The choice of a linear regression model means that the relationship between marketing strategies and sales will always be perfectly linear.

D

The parameters of the model have no impact on the structure of the predictor, as the function form is predetermined.

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The model’s accuracy depends on the values of its parameters. Other options are incorrect because Linear regression does not automatically tune its weights; Linear regression assumes a straight‑line relationship, but real data can curve or jump.

Key Concepts

Parametrized Predictors
Predictive Modeling
Linear Regression
Topic

Parametrized Predictors

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medium level question

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understand

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Definition
Definition

Parametrized predictors are predictive models that are defined by a set of parameters, such as vectors or matrices. Examples include linear regression models for scalar and vector outputs. The parameters determine the structure and behavior of the predictor.

Topic Definition

Parametrized predictors are predictive models that are defined by a set of parameters, such as vectors or matrices. Examples include linear regression models for scalar and vector outputs. The parameters determine the structure and behavior of the predictor.

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