How to Combine Character String & Expressions in Plot Text in R (2 Examples) | Base R vs. ggplot2 

How to add a text with expressions to a plot in the R programming language. More details: statisticsglob...
R code of this video:
data ＜- data.frame(x = 1:5, # Create example data frame
y = c(1, 3, 5, 2, 7))
plot(data, # Draw plot without expressions
main = "My Main Title")
plot(data, # Draw plot with expressions in main title
main = expression("My Main Title"["No. 2"] ~ alpha ^ beta))
install.packages("ggplot2") # Install & load ggplot2
library("ggplot2")
ggp ＜- ggplot(data, aes(x, y)) + # Create ggplot2 scatterplot
geom_point()
ggp # Draw ggplot2 scatterplot
ggp + # Add main title without expressions
ggtitle("My Main Title")
ggp + # Add main title with expressions
ggtitle(expression("My Main Title"["No. 2"] ~ alpha ^ beta))
ggp + # Annotate text with expressions inside of plot
annotate("text",
x = 2,
y = 4,
label = expression("My Text"["No. 2"] ~ alpha ^ beta))
ggp +
annotate("text",
x = 2.2,
y = 4,
label = expression("My Text"["No. 2"] ~ alpha ^ beta),
col = 2,
size = 5)
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