Suppose you're asked to create a pie chart in R that shows the distribution of a categorical variable in a data set. How would you do it?

  • Use the pie() function and provide a vector of non-negative numeric values representing the proportions of the segments
  • Use the barplot() function and specify the categorical variable as the x argument
  • Use the plot() function with type = "pie" and specify the categorical variable as the data argument
  • Use the ggplot2 package and the geom_bar() function with the categorical variable as the x aesthetic
To create a pie chart in R that shows the distribution of a categorical variable in a data set, you would use the pie() function. Provide a vector of non-negative numeric values representing the proportions of the segments corresponding to each category.
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