plotPie function

Pie chart

This function draws a pie chart of the values of variable 'Xvar' with the labels from the categorical variable 'Labels'.

Expects aggregated data.

plotPie(
  .data,
  xvar = "",
  labels = "",
  fill_colors = EcdcColors(col_scale = "qual", n = nrow(.data))
)

Arguments

• .data: dataframe containing the variables to plot
• xvar: character string, name of the numerical variable to plot in quotes
• labels: character string, name of the character variable including the corresponding labels
• fill_colors: vector of character strings, hexadecimal colours to use for each labels in the piechart; the vector should contain the exact number of categories defined in "labels" variable. (default to ECDC colors, see EcdcColors(col_scale = "qual", n = nrow(.data)))

Examples

# --- Create dummy data
piechart <- data.frame(Labels = c("Heterosexual females",
                                  "Heterosexual males",
                                  "MSM",
                                  "Unknow"),
                       Values = c(1633,2937,15342,2854))

# --- Plot the dummy data
plotPie(piechart,
         xvar = "Values",
         labels = "Labels")

See Also

Internal function: EcdcColors

Required Packages: ggplot2