# DAL ToolBox
# version 1.1.727

source("https://raw.githubusercontent.com/cefet-rj-dal/daltoolbox/main/jupyter.R")

#loading DAL
load_library("daltoolbox") 

load_library("ggplot2")
load_library("RColorBrewer")

#color palette
colors <- brewer.pal(4, 'Set1')

# setting the font size for all charts
font <- theme(text = element_text(size=16))

#iris dataset for the example
head(iris)

load_library("dplyr")

data <- iris |> group_by(Species) |> summarize(Sepal.Length=mean(Sepal.Length))
head(data)

grf <- plot_pieplot(data, colors=colors[1:3]) + font
plot(grf)