They are of 4 major types. p + theme_bw() ## A minimalistic theme with no background annotations. Themes can be used to give plots a consistent customized look.

Text elements: plot title, axis titles, legend title and text, axis tick mark labels, etc.

凡是和数据无关的图形设置内容理论上都可以归为主题类，但考虑到一些内容（如坐标轴）的特殊性，可以允许例外的情况。主题的设置相当繁琐，很容易就占用了 大量的作图时间，应尽量把这些东西简化，把 … 凡是和数据无关的图形设置内容理论上都可以归为主题类，但考虑到一些内容（如坐标轴）的特殊性，可以允许例外的情况。主题的设置相当繁琐，很容易就占用了 大量的作图时间，应尽量把这些东西简化，把 …

For example, the plot.title element controls the appearance of the plot title; axis.ticks.x, the ticks on the x axis; legend.key.height, the height of the keys in the legend. #' Modify a single plot's theme using `theme()`; see [theme_update()] if #' you want modify the active theme, to affect all subsequent plots. Plotly is a free and open-source graphing library for R. We recommend you read our Getting Started guide for the latest installation or upgrade instructions, then move on to our Plotly Fundamentals tutorials or dive straight in to some Basic Charts tutorials. ; Text elements: plot title, axis titles, legend title and text, axis tick mark labels, etc. Here is sample code: rx <- sample(1:100,10) R/theme-elements.r defines the following functions: element_blank element_rect element_line element_text print.element rel print.rel is.rel element_render len0_null element_grob element_grob.element_blank element_grob.element_rect element_grob.element_text element_grob.element_line register_theme_elements reset_theme_settings get_element_tree el_def … We did that by using the arguments axis.text.x, axis.ticks.x, axis.text.y, and axis.ticks.y within the theme() function. Do you need further information on the R syntax of this article? 凡是和数据无关的图形设置内容理论上都可以归为主题类，但考虑到一些内容（如坐标轴）的特殊性，可以允许例外的情况。主题的设置相当繁琐，很容易就占用了 大量的作图时间，应尽量把这些东西简化，把 …

The function theme() is used to control non-data parts of the graph including : Line elements: axis lines, minor and major grid lines, plot panel border, axis ticks background color, etc. Theme elements specify the non-data elements that you can control. Video & Further Resources. The arguments passed to theme() components require to be set using special element_type() functions.

The X axis is the time and the Y axis is values. Key ggplot2 theme options to change the font style of axis titles: theme( axis.title = element_text(), # Change both x and y axis titles axis.title.x = element_text(), # Change x axis title only axis.title.x.top = element_text(), # For x axis label on top axis axis.title.y = element_text(), # Change y axis title only axis.title.y.right = element_text(), # For y axis label on right axis ) element_line(): Likewise element_line() is use to modify line based components such as the axis lines, major and minor grid lines, etc. Each element is associated with an element function, which describes the visual properties of the element. Figure 2: Axes without Axis Labels & Ticks. For example, axis.text.x and axis.text.y are inherited from axis.text and therefore element_text() also works for them. It was first requested in issue #1319. As you can see based on Figure 2, we just removed all labels and ticks of both axes. If you are not explicitly adding a theme to a plot, ggplot2 uses the currently selected theme. We did that by using the arguments axis.text.x, axis.ticks.x, axis.text.y, and axis.ticks.y within the theme() function. Hi, I was trying to remove the axis tick marks and their values using theme() but haven't had much success. When using opts and adding a theme (like in the command right above), make sure that you add the theme before overriding the options (otherwise the opts (...) has no effect). Themes are a powerful way to customize the non-data components of your plots: i.e. As you can see based on Figure 2, we just removed all labels and ticks of both axes. I don't want inwards ticks on the y-axis though. Line elements: axis lines, minor and major grid lines, plot panel border, axis ticks background color, etc. I have plotted the graph in ggplot2. The function theme() is used to control non-data parts of the graph including :. titles, labels, fonts, background, gridlines, and legends. As such, I would suggest you check the details in the theme function (?theme) when you doubt it. For the rest of the axis, it is fine to have the ticks incremented by 10. p + theme_classic() This does not work with ggplot2 version 0.9.2.1 (the theme_xxx have been deprecated and theme_segment was not replaced with element_segment). Line elements: axis lines, minor and major grid lines, plot panel border, axis ticks background color, etc. New to Plotly? ## A theme with grey background and white gridlines (default). @joran: SO I tried adding + scale_x_continuous(expand = c(0,0)) + scale_y_continuous(expand = c(0,0)), but it says Discrete value supplied to continuous scale whether I … Customize the appearance of the plot background. #' Themes can be used to give plots a consistent customized look.