Your task is to determine the best model for predicting length of stay – considering Benzo,… 1 answer below »

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Your task is to determine the best model for predicting length of stay – considering Benzo,

Age, Gender, Time, DDD, Antipsyc, GCS, Ventilation, and Flumazenil as independent

variables. In determining the best model, address each of the five parts listed below:

(a) Commence with preliminary analyses (data checking) and provide comments.

[5 marks]

(b) Use appropriate graphs to compare each predictor variable with the outcome variable

and provide comments. [5 marks]

(c) Generate separate linear regression models for predicting the outcome variable, using

the following predictor variables: Benzo, Age, Gender, Time, DDD, Antipsyc, GCS,

Ventilation, and Flumazenil. Provide a brief description of each model.

[8 marks]

(d) Generate a multiple linear regression model predicting the outcome variable, using the

following predictor variables: Benzo, Age, Gender, Time, DDD, Antipsyc, GCS,

Ventilation, and Flumazenil. Provide a brief description of the model. Compare the

coefficients of each variable to their corresponding coefficients in part (c) and

comment. Comment whether you consider this model to be a good or poor model and

justify your answer.

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