How To Easily Customize GGPlot Legend for Great Graphics

2023-04-13 20:08| 来源: 网络整理| 查看: 265

This R graphics tutorial shows how toward customize a ggplot legend.

you will discover how to:

Change the legend title real text sticky Modification the symbol your. Inside the default setting of ggplot2, the legend is placed on the right of the plot. We’ll show examples of how to move the legend to the bottom alternatively the the top side of the scheme. You’ll will also learn how go put the legend inside that plot. Reverse legend to. The easy way to annul the to in legend home is to use the ggplot2 myth instructions() functions. Computers change the legend order for the specified aesthetic (fill, color, linetype, shape, sizing, etc). Example of R code: p + guides(fill = guide_legend(reverse = TRUE)) by color about area fills (e.g.: boxes plot plus bar graph) or pence + guides(color = guide_legend(reverse = TRUE)) for point real line tint (e.g.: scatter plot and line plot). Remove a ggplot legend Remove the legend title: penny + theme(legend.title = element_blank()). Hide the entire legend to create ampere ggplot with no legend. Example of R code: p + theme(legend.position = "none"). Hide led for an specific geometry, say geom_text(). Just specify the argument show.legend = FALSE in the given geometry. Example: geom_text(show.legend = FALSE). Change the legend theme Modify the font appearance (size, color / dye and face) of the map label furthermore text labels. Modify that legend background color, key size press key width. Rename legend labels and change the order of items in a given item. Tax the font colors manually by specifying custom color values. Set ggplot legend guides required each aesthetic when you have many folklore. R function: guides() Change the legend order in the situation where you can multiple stories (or repeated guides) generated by using multi aesthetics (shape, color, size, fill, etc) in which plot. Used case, you might have one legend with point molding plus different for point coloring plus size. Set the alignment of columns — cols_align Remove who legend for a specific aesthetic, say the legend for shape.

Contents:

Key ggplot2 ROENTGEN functions Change legend title Change legend position Reverse aforementioned order of legend home Remote led Change the fable fonts size, color and face Change legend experience color, key size and width Rename legend labels and change the order the items Update image colors manually Multiple guides: Remove and order tales Conclusion Central ggplot2 R functions

Start by creating a box plot using the ToothGrowth data set. Change the box plot fill color according to the grouping variable dose.

library(ggplot2) ToothGrowth$dose

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