Filter the data for plotting
Use the filter() function of dplyr to remove non-European countries. A vector called european_countries has been created that contains all European countries which should remain in the data set. Here, the %in% operator introduced in the video might come in handy. Note that only a subset of European countries for which enough data exist is retained. For instance, Poland is missing.
Latihan ini adalah bagian dari kursus
Communicating with Data in the Tidyverse
Petunjuk latihan
- Print
european_countriesto the console. - Apply the
filter()function to only retain countries which also appear in theeuropean_countriesvector. Use the%in%operator to retain only values that appear in the right-hand side of the operator.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Examine the European countries vector
___
# Only retain European countries
ilo_data <- ilo_data %>%
___(___)