ggplot2 comes with a number of built in themes. Note that none of the themeables control/modify the plotted data.

In conjunction with the theme system, the element_ functions specify the display of how non-data components of the plot are drawn. We did that by using the arguments axis.text.x, axis.ticks.x, axis.text.y, and axis.ticks.y within the theme() function. Figure 2: Axes without Axis Labels & Ticks.

16.2 Complete themes. text - controls all the text elements in the figure. element_blank: draws nothing, and assigns no space. line - controls all the lines in the figure. e.g You cannot use text to change the appearance of objects plotted with geom_text.

Clone via HTTPS Clone with Git or checkout with SVN using the repository’s web address. Note: In the examples below, where it says something like scale_y_continuous, scale_x_continuous, or ylim, the y can be replaced with x if you want to operate on the other axis. Video & Further Resources. element_text: text. The arguments passed to theme() components require to be set using special element_type() functions. When we want to change the default theme, for example to the black and white theme, we just add at the end of the plot theme_bw().So basically a theme is just a function with a number of arguments set by default, such as background color, size and style of axis text and labels, legend, etc. element_text(): Since the title, subtitle and captions are textual items, element_text() function is used to set it. Solution. You want to change the order or direction of the axes. What happens when we call a specific ggtheme function. rect - controls all the rectangles in the figure. For example, axis.text.x and axis.text.y are inherited from axis.text and therefore element_text() also works for them.

As such, I would suggest you check the details in the theme function (?theme) when you doubt it. text They are of 4 major types. Do you need further information on the R syntax of this article? element_line: lines. As you can see based on Figure 2, we just removed all labels and ticks of both axes. rel() is used to specify sizes relative to the parent, margin() is used to specify the margins of elements. element_line(): Likewise element_line() is use to modify line based components such as the axis lines, major and minor grid lines, etc. Axis labels and text formatting; Tick mark label text formatters; Hiding gridlines; Problem. Besides, the remaining part of the post will show you how to customize ggplot2 theme … element_rect: borders and backgrounds.