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R Pie Charts

Pie charts in R are used to represent parts of a whole. The pie() function is used to create pie charts with labels and colors.

Key Topics

Pie Chart Example

# Creating a pie chart
slices <- c(10, 20, 30, 40)
labels <- c("A", "B", "C", "D")

pie(slices, labels = labels, main = "Pie Chart Example")

Output:

A pie chart with slices labeled A, B, C, and D, representing the specified values.

Code Explanation: The pie() function creates a pie chart with the slices vector and labels for each slice.

Customizing Pie Chart

You can customize pie charts by adding colors and adjusting the label positions.

# Customizing the pie chart
colors <- c("red", "blue", "green", "yellow")

pie(slices, labels = labels, col = colors, main = "Customized Pie Chart")

Output:

A pie chart with slices in different colors: red, blue, green, and yellow.

Code Explanation: The col parameter is used to specify colors for each slice of the pie chart.

Key Takeaways

  • Use the pie() function to create pie charts in R.
  • Labels and colors can be customized to enhance visual appeal.
  • Pie charts are useful for displaying parts of a whole.
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