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Typical problems

When you first encounter a data visualization, either from yourself or a colleague, you always want to critically ask if it's obscuring the data in any way.

Let's take a look at the steps we could take to produce and improve the plot in the view.

The data comes from an experiment where the effect of two different types of vitamin C sources, orange juice or ascorbic acid, were tested on the growth of the odontoblasts (cells responsible for tooth growth) in 60 guinea pigs.

The data is stored in the TG data frame, which contains three variables: dose, len, and supp.

Bu egzersiz

Intermediate Data Visualization with ggplot2

kursunun bir parçasıdır
Kursu Görüntüle

Uygulamalı interaktif egzersiz

Bu örnek kodu tamamlayarak bu egzersizi bitirin.

# Initial plot
growth_by_dose <- ggplot(TG, aes(dose, len, color = supp)) +
  stat_summary(fun.data = mean_sdl,
               fun.args = list(mult = 1),
               position = position_dodge(0.1)) +
  theme_gray(3)

# View plot
growth_by_dose
Kodu Düzenle ve Çalıştır