How do I add a legend to a table in R?
In R you can add a legend to any plot using the legend() command. You can also use the legend = TRUE parameter in the barplot() command. The barplot() command is the only general plot type that has a legend parameter (the others need a separate legend).
How do you add a legend in basic R plot?
Add a legend to a base R chart
- legend : names to display.
- bty : type of box around the legend. See graph #73.
- horiz : legend in column or in row.
- col : symbol color.
- pch : symbol type. See graph #6.
- pt. cex : symbol size.
- cex : text size.
- text. col : text color.
How do you make a custom legend in R?
Create Custom Legend With ggplot in R
- Use the legend.position Parameter in the theme Function to Specify Legend Position in R.
- Use legend.justification and legend.background Parameters in theme Function to Create Custom Legend.
- Use legend.title Parameter in theme Function to Modify Legend Title Formatting.
Where do you put legends?
Legends should be placed below or parallel to a data visualization, depending on the type of data being labeled and the available space surrounding the data visualization.
Where do you put a legend on a graph?
Click the chart, and then click the Chart Design tab. Click Add Chart Element > Legend. To change the position of the legend, choose Right, Top, Left, or Bottom. To change the format of the legend, click More Legend Options, and then make the format changes that you want.
What is legend function R?
R legend function To add legends to plots in R, the R legend() function can be used. A simplified format of the function is : legend(x, y=NULL, legend, fill, col, bg) x and y : the x and y co-ordinates to be used to position the legend. legend : the text of the legend.
What is data legend?
A legend is used to identify data in visualizations by its color, size, or other distinguishing features. Simply connect one or more data visualizations to a legend and they will automatically display a table of symbols and descriptions to help users understand what is being displayed.
How do you create a legend in R?
R legend function To add legends to plots in R, the R legend () function can be used. A simplified format of the function is : legend(x, y=NULL, legend, fill, col, bg)
How do you add a legend to a bar plot?
Note that if you need to add a legend to a bar plot, pie chart or box plot you can use the fill argument instead of setting lines. If your plot have shading lines you can also add them to the legend with the density argument and modify the angle on the lines with the angle argument of the function.
How to add a title to the legend of the text?
In case you need to add a title to the legend, in order to add some description of the elements of the legend, you can use the title argument. Note that you can customize the color of the text with the title.col argument and that you can make a horizontal adjustment of the title with the title.adj argument.
What is the argument fill in the legend text?
Note that the argument fill indicates the colors to use for filling the boxes beside the legend text This analysis has been performed using R statistical software (ver. 3.1.0). Enjoyed this article?