Based on the CV-metrics that are reported by R, which model do you prefer?Provide a one-sentence justification for your response.

Regression method homework

#You will be using the Boston housing data to generate model selection procedures
#execute the following code to obtain the variables to be used in model selection procedures

library(MASS) #Boston housing data is available in the MASS package
library(olsrr)
HW08=Boston[c
head(HW08)
attach(HW08)
help(Boston) #provides a description of the Boston data set used in HW08

#use the HW08 data set to complete the following analyses.
#a. perform best subsets regression using medv as the response and
#the remaining 8 variables as predictors

#b. perform an all possible regressions
#comment on the model you would choose with a 1-sentence justification

#c. perform forward, backward, and bi-directional stepwise regressions
# use the default p-to-enter, p-to-remove values
#compare the three models selected. One or two sentences are sufficient.

#d. perform a 5-fold Cross-Validation comparing model 6 with model 7 from the best subset regression models
# Based on the CV-metrics that are reported by R, which model do you prefer?
# Provide a one-sentence justification for your response.

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