Draw Two Data Sets with Different Sizes in ggplot2 Plot in R (Example) | Point Size in Scatterplot

How to draw a ggplot2 plot of two data frames with different sizes in the R programming language. More details: https://statisticsglobe.com/draw-two-data-sets-different-sizes-ggplot2-plot-r
R code of this video:

set.seed(328957634) # Set seed for reproducibility

data_large ＜- data.frame(x = rnorm(1000) + 1:10, # Create first data frame
y = rnorm(1000))

data_small ＜- data.frame(x = rnorm(10, 5), # Create second data frame
y = rnorm(10))

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

ggp1 ＜- ggplot(NULL, aes(x, y)) + # Draw two data frames in ggplot2 plot
geom_point(data = data_large,
col = "#1b98e0") +
geom_point(data = data_small,
col = "red",
size = 5)
ggp1

data_all ＜- data.frame(rbind(data_large, # Combine both data frames
data_small),
col = c(rep("#1b98e0", nrow(data_large)),
rep("red", nrow(data_small))),
size = c(rep(1.5, nrow(data_large)),
rep(5, nrow(data_small))))

ggp2 ＜- ggplot(data_all, aes(x, y)) + # Draw combined data frame
geom_point(col = data_all$col,
size = data_all$size)
ggp2

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