a dashed vertical line dividing two sets of rectangular bars.

library(ggplot2)

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

# Create a mock dataset for the left visualization
left_data <- data.frame(
  group = c(rep("A", 5), rep("B", 3)),
  value = c(1, 2, 3, 4, 5, 6, 7, 8)
)

left_plot <- ggplot(left_data, aes(x=group, y=value)) +
  geom_col(position="dodge") +
  geom_vline(xintercept=1.5, linetype="dashed") +
  theme_minimal()

# Create a mock dataset for the right visualization
right_data <- data.frame(
  x = 1:20,
  y = rnorm(20, 10, 5),
  group = sample(c("red", "blue"), 20, replace=TRUE)
)

right_plot <- ggplot(right_data, aes(x=x, y=y)) +
  geom_col(aes(fill="blue"), width=0.5) +
  geom_point(aes(color=group), size=4, position=position_jitter(width=0.3, height=0)) +
  scale_color_manual(values=c("red"="red", "blue"="blue")) +
  theme_minimal()

# Combine and display the plots
library(gridExtra)
png("plot1.png", width=800, height=800)
grid.arrange(left_plot, right_plot, ncol=2)
dev.off()

a bar plot with overlaid scatter points in two colors.