How to Change Legend Position in ggplot2
Change Legend Position in ggplot2, When a shape feature is mapped to a variable in the aes() component of the ggplot() call, ggplot2 will automatically construct a legend for your chart.
Approach1: Legend outside Plot
It is possible to put the legend on the plot’s “top,” “right,” “bottom,” or “left.”
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library(ggplot2) ToothGrowth$dose<-factor(ToothGrowth$dose) p <- ggplot(ToothGrowth, aes(x=dose, y=len, fill=dose)) + geom_boxplot() p
Legend in Bottom Position
p +theme(legend.position = "bottom")
Approach2: Legend on Inside of Plot
You may alternatively insert the legend on the inside of the plot by specifying the exact (x, y) coordinates.
legend inside the top right corner.
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p+ theme(legend.position = c(.9, .9))
legend inside the bottom right corner:
p + theme(legend.position = c(.9, .1))
Approach3: Remove Legend
By choosing legend, you can completely remove the legend from a plot in ggplot2. as follows: position=”none” as follows.
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p+ theme(legend.position = "none")
The legend box’s background color can be changed.
p + theme(legend.background = element_rect(fill="pink", size=0.5, linetype="solid"))
Approach4: Change Legend Label
Let’s change the legend label,
We can adjust or change Legend Position in ggplot2 in a variety of ways, as seen above.
Legends are a great way to add more variables to your data display. When we use ggplot2 to create a plot with legend, the legend is placed on the right side of the plot by default.
