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Changing Themes (Look and Feel) in ggplot2 in R | Finance Train

Changing Themes (Look and Feel) in ggplot2 in R

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The themes layer is used to style all the non-data ink of the plot, i.e., all the visual elements that are not part of data.

When we create a chart using ggplot2, it automatically uses a default theme. For theming we have a few choices:

Use the default theme (What we have seen so far). The default theme is called theme_grey().
Use a built-in theme. There are two built-in themes 1) theme_grey() which is default and 2) theme_bw(), a theme with a white background.
Modify/override specific elements of the default theme. This is done by using the theme() function. It overrides the graphical parameters of the default theme.
Create your own theme