Augment the fitted values of each model

In this exercise you will prepare your four best and worst fitting models for further exploration by augmenting your model data with augment().

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Machine Learning in the Tidyverse

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Instrucciones del ejercicio

Build the best_augmented data frame by building augmented data frames and simplifying them with unnest() using the best_fit data frame.
Build the worst_augmented data frame by building augmented data frames and simplifying them with unnest() using the worst_fit data frame.

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best_augmented <- best_fit %>% 
  # Build the augmented data frame for each country model
  mutate(augmented = ___) %>% 
  # Expand the augmented data frames
  ___

worst_augmented <- worst_fit %>% 
  # Build the augmented data frame for each country model
  mutate(augmented = ___) %>% 
  # Expand the augmented data frames
  ___

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