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Formula notation

As well as the vars() notation for specifying which variables should be used to split the dataset into facets, there is also a traditional formula notation. The three cases are shown in the table.

| Modern notation                            | Formula notation  |
|--------------------------------------------|-------------------|
| facet_grid(rows = vars(A))                 | facet_grid(A ~ .) |
| facet_grid(cols = vars(B))                 | facet_grid(. ~ B) |
| facet_grid(rows = vars(A), cols = vars(B)) | facet_grid(A ~ B) |

mpg_by_wt is available again. Rework the previous plots, this time using formula notation.

Bu egzersiz

Intermediate Data Visualization with ggplot2

kursunun bir parçasıdır
Kursu Görüntüle

Uygulamalı interaktif egzersiz

Bu örnek kodu tamamlayarak bu egzersizi bitirin.

ggplot(mtcars, aes(wt, mpg)) + 
  geom_point() +
  # Facet rows by am using formula notation
  ___
Kodu Düzenle ve Çalıştır