change the font of the title in a plot in r

To change the font of the title in a plot in R, you can follow these steps:

  1. Load the necessary library: If you haven't already, load the extrafont library by running the command library(extrafont).

  2. Install the font: To use a specific font, you need to install it on your system. You can install the font using the font_import() function from the extrafont library. For example, to install the font "Arial", you can run font_import(pattern = "Arial").

  3. Load the font: After installing the font, load it using the loadfonts() function. For example, to load the "Arial" font, run loadfonts(device = "win").

  4. Specify the font in your plot: Now, you can specify the desired font for your plot. In the plot() function, use the family argument to specify the font family. For example, if you want to use the "Arial" font for the title, you can add family = "Arial" to the plot() function.

Here's an example of how these steps can be implemented:

# Load the extrafont library
library(extrafont)

# Install the Arial font
font_import(pattern = "Arial")

# Load the Arial font
loadfonts(device = "win")

# Create a plot with the Arial font for the title
plot(1:10, type = "n", main = "Plot Title", family = "Arial")

By following these steps, you should be able to change the font of the title in your R plot.