What is legend text in R?
legend() function in R Language is used to add legends to an existing Plot. A legend is defined as an area of the graph plot describing each of the parts of the plot. The legend plot is used to show statistical data in graphical form. Syntax: legend(x, y, legend, fill, col, bg, lty, cex, title, text.font, bg)
How do I customize legend 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().
How do I show legend in R?
Add Legend to Plot in R
- x and y: These are co-ordinates to be used to position the legend.
- legend: Text of the legend.
- fill: Colors to use for filling the boxes of legend text.
- col: Colors of lines.
- bg: It defines background color for the legend box.
- title: Legend title (optional)
- text.
How do you make a scatter plot legend in R?
Let’s depict how to create legend in R with an example. Before that lets create basic scatter plot using plot() function with red colored rounded dots as shown below….Syntax of Legend function in R:
| x, y | the x and y co-ordinates which is used to position the legend. |
|---|---|
| fill | fill legend box with the specified colors. |
What is legend in R studio?
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.
How do I put a legend outside the plot in R?
In order to draw our legend outside of the plotting area, we can use a combination of the “topright” argument and an additional specification of inset. The “topright” argument specifies that the legend should be in the upper right corner of the graph.
How do you add a legend to a plot?
Set the DisplayName property as a name-value pair when calling the plotting functions. Then, call the legend command to create the legend. Legends automatically update when you add or delete a data series. If you add more data to the axes, use the DisplayName property to specify the labels.
What is a legend in a graph example?
The legend identifies the visual elements used to distinguish different groups of data on the graph. The legend helps you evaluate the effects of grouping. For example, the legend in the preceding graph shows the attributes of the symbols and connect lines used to represent the Control and Education groups.
How do I add a legend below the graph in R?
You can place the legend literally anywhere. To put it around the chart, use the legend. position option and specify top , right , bottom , or left . To put it inside the plot area, specify a vector of length 2, both values going between 0 and 1 and giving the x and y coordinates.
What is Las in R plot?
las – A numeric value indicating the orientation of the tick mark labels and any other text added to a plot after its initialization.
What is a plot legend?
Plot legends give meaning to a visualization, assigning meaning to the various plot elements. We previously saw how to create a simple legend; here we’ll take a look at customizing the placement and aesthetics of the legend in Matplotlib.