Unnesting a data frame
You now have a tidied version of each model stored in the tidied column. You want to combine all of those into a large data frame, similar to how you combined the US and UK tidied models earlier. Recall that the unnest() function from tidyr achieves this.
Bu egzersiz
Case Study: Exploratory Data Analysis in R
kursunun bir parçasıdırEgzersiz talimatları
- Add an
unnest()step to unnest the tidied models stored in thetidiedcolumn. Save the result ascountry_coefficients. - Print the resulting
country_coefficientsobject to the console.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Add one more step that unnests the tidied column
___ <- by_year_country %>%
nest(-country) %>%
mutate(model = map(data, ~ lm(percent_yes ~ year, data = .)),
tidied = map(model, tidy))
# Print the resulting country_coefficients variable