Why is my legend not showing up in Ggplot?
You need to put the color parameter inside the aesthetics. This will result in the mapping of colors for the legend. After that you can manually scale the color to get any color you desire.
How do I get rid of Alpha legend ggplot2?
To turn off legend for a specific aesthetic, you can use the guides() function as follows:
- guides(color = FALSE) #To turn off color legend.
- guides(fill = FALSE) #To turn off fill legend.
- guides(shape = FALSE) #To turn off shape legend.
How do I delete a legend?
Tip: To quickly remove a legend or a legend entry from a chart, you can select it, and then press DELETE. You can also right-click the legend or a legend entry, and then click Delete. To display a legend, click the display option that you want.
How do I change legend labels in R?
Key ggplot2 R functions
- p + labs(). Change legend title.
- p + theme(…). Change legend theme: background color, legend box border, font size and color.
- p + scale_x_discrete(limits = c(“2”, “0.5”, “1”)). Change the order of the item in the legend.
- p + scale_fill_discrete(name = “Dose”, labels = c(“A”, “B”, “C”)).
- guides().
What is legend in Python?
In the matplotlib library, there’s a function called legend() which is used to Place a legend on the axes. The attribute bbox_to_anchor=(x, y) of legend() function is used to specify the coordinates of the legend, and the attribute ncol represents the number of columns that the legend has. It’s default value is 1.
How do I change the color of my legend in R?
To create the legend for a plot in base R, we can use legend function and if the background color of the legends needs to be changed from white to any other then bg argument in legend function will be used. For example, to change the background color to red then we can use bg=”red”.
How do I make Ggtitle bold?
For example, to set a bold ggplot title, use this: p + theme(plot. title = element_text(face = “bold”)) . The allowed values for the font face include: “plain”, “italic”, “bold” and “bold.