I’d be very grateful if you’d help it spread by emailing it to a friend, or sharing it on Twitter, Facebook or Linked In. When customising a plot, it is often useful to modify the titles associated with the plot, axes, and legends. Example 1 illustrates how to increase or decrease the text size of our title and subtitle. subtitle = "Relationship break down by gear class": Add subtitle; caption = "Authors own computation: Add caption; You separate each new information with a comma, , Note that you break the lines of code. (Note that Bob's post originally appeared on his own blog, as "Subtitles in ggplot2" .) I was intrigued by the idea and what this could mean for my own plotting efforts, and it turned out to be very simple to apply. Aesthetics supports information rather that overshadow it. 8.1 Plot and axis titles. This analysis has been performed using R software (ver. Showing text might not be the cleanest solution every time. Plot title and subtitle provides insights into the main findings; Caption are generally used to describe the data source; Tag can be used for differentiating between multiple plots. I was intrigued by the idea and what this could mean for my own plotting efforts, and it turned out to be very simple to apply. ggplot2 is a system for declaratively creating graphics, based on The Grammar of Graphics.You provide the data, tell ggplot2 how to map variables to aesthetics, what graphical primitives to use, and it takes care of the details. Is not overloaded with information. You can add a subtitle in exactly the same way that you added a title. The following R code sets the text size of the main title to 20 and the size of the subtitle to 10: We’re so happy to announce the release of ggplot2 3.3.0 on CRAN. Example 1: ggplot2 Title & Subtitle with Different Size. 3.1.2) and ggplot2 (ver. ) (Note that Bob’s post originally appeared on his own blog, as “Subtitles in ggplot2″ .) To assist with this task ggplot2 provides the labs() helper function, which lets you set the various titles using name-value pairs like title = My plot title", x = "X axis" or fill = "fill legend": Enjoyed this article? An effective chart is one that: Conveys the right information without distorting facts. I’ve been playing around a lot with R’s ggplot and decided to compare it with Python’s Matplolib. A couple of days ago (2016-03-12) a short blog post by Bob Rudis appeared on R-bloggers.com, "Subtitles in ggplot2". Ok. Now let's add a subtitle. However, both titles have the same size and the same color. ggplot2 legend for geom_area/geom_ribbon not showing; ggplot and R: Two variables over time; ggplot legend not showing up in lift chart; Why ggplot2 legend not show in the graph; ggplot legend not showing up in lift chart. To add a subtitle, you can use the labs() function with the subtitle parameter. In this article, you will learn how to modify ggplot labels, including main title, subtitle, axis labels, caption, legend titles and tag. Essentially, inside of the labs() function, we'll use subtitle to specify the subtitle that we want to put underneath the title. It should not force you to think much in order to get it. Titles, subtitles, and captions. The subtitle and caption should be plotted as ‘text.’ ... /horizontal lines, so if the extension of those lines is larger than the plotting area, it’ll adjust the chart to show the whole line plus some padding. It is not compulsory, and it only helps to read the code more easily; Output: Rename x-axis and y-axis A couple of days ago (2016-03-12) a short blog post by Bob Rudis appeared on R-bloggers.com, “Subtitles in ggplot2”. Add a subtitle in ggplot. Is simple but elegant. ... Facebook or Linked In. Next, I’ll show how to change that! There’s no way to know if you’re looking at Election votes or 2020 USA election votes in California.You can use subtitles to put additional information, but it’s not mandatory. Top 50 ggplot2 Visualizations - The Master List. A visualization without a title is useless.