R Notebook

install.packages("AmesHousing")

Error in install.packages : Updating loaded packages

# Compute test data generalization RMSE
ames_lm1 %>%
predict(ames_test) %>%
bind_cols(ames_test) %>%
rmse(truth = Sale_Price, estimate = .pred)

Warning: prediction from rank-deficient fit; consider predict(., rankdeficient="NA")

mlr_fit %>%
predict(ames_test) %>%
bind_cols(ames_test %>% select(Sale_Price)) %>%
rmse(truth = Sale_Price, estimate = .pred)

Warning: prediction from rank-deficient fit; consider predict(., rankdeficient="NA")

# a. import the Advertising.csv data
advertising <- read_csv("Advertising.csv")

Rows: 200 Columns: 4── Column specification ────────────────────
Delimiter: ","
dbl (4): TV, radio, newspaper, sales
ℹ Use `spec()` to retrieve the full column specification for this data.
ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.