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2025-09-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article mainly explains "R language visualization ggplot theme customization means", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "R language visualization ggplot theme customization is what it means" it!
The reason why ggplot mapping system is so popular in many visualization packages of R prophecy, in addition to its own layer concept, I think it is also due to its flexible adjustment of chart detail elements.
For the beginners of ggplot, they may not care too much about whether the theme of the chart is elegant and whether the color matching is beautiful, just to be able to draw the picture accurately and OK.
But if it is limited to this, then using ggplot to draw a picture is really killing a chicken with a cow knife.
Take the default chart, for example, although you can run a passing chart with only two lines of code, the ggplot syntax is broad and profound, and the code behind you matches countless parameters by default.
One particularly large set of parameters is the theme () parameter:
If the default chart no longer adds any custom themes and colors, the software will give you the default themes and colors:
The default theme is theme_gray, and two sets of themes are given in, namely, theme_gray and theme_bw
Next, let's verify step by step:
First load the package:
Library (ggplot2)
Library (reshape2)
Library (ggtheme)
Data
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