ggplot2 Plot with Transparent Background in R (2 Examples) | Change Opacity of Graph | element_rect

How to create a ggplot2 graphic with transparent background in the R programming language. More details: https://statisticsglobe.com/ggplot2-p...
R code of this video:

data ＜- data.frame(x = 1:5, # Create example data
y = 5:9)

install.packages("ggplot2") # Install & load ggplot2 package
library("ggplot2")

ggp ＜- ggplot(data, aes(x, y)) + # Create default ggplot2 plot
geom_bar(stat = "identity")
ggp # Draw default ggplot2 plot

ggp_transparent1 ＜- ggp + # Make background transparent
theme(rect = element_rect(fill = "transparent"))

ggsave(ggp_transparent1, # Save transparent png file
filename = "ggp_transparent1.png",
bg = "transparent")

ggp_transparent2 ＜- ggp + # Remove background elements manually
theme(legend.background = element_rect(fill = "transparent"),
legend.box.background = element_rect(fill = "transparent"),
panel.background = element_rect(fill = "transparent"),
panel.grid.major = element_blank(),
panel.grid.minor = element_blank(),
plot.background = element_rect(fill = "transparent", color = NA))

ggsave(ggp_transparent2, # Save transparent png file
filename = "ggp_transparent2.png",
bg = "transparent")

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