Data Visualization: Text Annotations

viz_annotations.R

# text inside plot
plot(mtcars$disp, mtcars$mpg)
text(x = 340, y = 30, labels = 'Sample Text')

# color
plot(mtcars$disp, mtcars$mpg)
text(x = 340, y = 30, labels = 'Sample Text', col = 'red')

# font
plot(mtcars$disp, mtcars$mpg)
text(x = 340, y = 30, labels = 'Sample Text', col = 'red', font = 2)

# font family
plot(mtcars$disp, mtcars$mpg)
text(x = 340, y = 30, labels = 'Sample Text', col = 'red', family = 'mono')

# font size
plot(mtcars$disp, mtcars$mpg)
text(x = 340, y = 30, labels = 'Sample Text', col = 'red', cex = 2)

# text on the margins
plot(mtcars$disp, mtcars$mpg)
mtext('Sample Text')

# specify margin
plot(mtcars$disp, mtcars$mpg)
mtext('Sample Text', side = 1)

# line
plot(mtcars$disp, mtcars$mpg)
mtext('Sample Text', line = 1)

# alignment
plot(mtcars$disp, mtcars$mpg)
mtext('Sample Text', adj = 0)

plot(mtcars$disp, mtcars$mpg)
mtext('Sample Text', adj = 1)