Question: How Do You Add A Legend In R?

How do I add a figure legend in R?

This post explains how to add a legend to a chart made with base R, using the legend() function….Add a legend to a base R chartlegend : names to display.bty : type of box around the legend.

horiz : legend in column or in row.col : symbol color.pch : symbol type.


cex : text size.More items….

How do I move a legend in R?

In R, you can use the legend() function can be used to add a legend to a basic R graph. From Example 1, note that we can use keywords such as “bottomright”, “bottom”, “bottomleft”, “left”, “topleft”, “top”, “topright”, “right” and “center” to control the position of the legend on a given R graph.

What is legend in plot?

The legend of a graph reflects the data displayed in the graph’s Y-axis, also called the graph series. This is the data that comes from the columns of the corresponding grid report, and usually represents metrics. A graph legend generally appears as a box to the right or left of your graph.

What is Lty R?

In R base plot functions, the options lty and lwd are used to specify the line type and the line width, respectively. In ggplot2, the parameters linetype and size are used to decide the type and the size of lines, respectively.

How do I add a legend to an outside plot in R?

The simplest way to plot a legend outside a figure in R is to:First step, make the outer margin at the bottom of the plot large:Second step, make the multi-panel figure (not shown)Third step: overlay the entire figure region with a new, single plot.Result:

How do I reduce the size of a legend in R?

By default, the area covered by legends for a plot created by using plot function is of full size that is 1 (the area size has a range of 0 to 1, where 1 refers to the full size and 0 refers to none). To reduce the size, we can use cex argument with the legend function as shown in the below example.

How do I rearrange the legend in Excel?

1 AnswerRight-click on one of the names listed on your legend.Click on the “Select Data” option from the list that appears.Click on the entry you want to move in the “Legend Entries (Series)” box.Click the “Up” or “Down” arrows in the box to change the position of the legend.

What is legend in Excel?

Legend is the space located on the plotted area of the chart in excel. It has Legend keys which are connected to the data source. Legend will appear automatically when we insert a chart in the excel.

What is a legend in statistics?

With a chart, a legend is an area of a chart describing each of the parts of the chart. See our chart definition for a visual example of a legend. … A legend is an explanation of characters, symbols, or markings on a document that are usually unfamiliar to the reader.

How do you use the legend command in R?

R legend functionx and y : the x and y co-ordinates to be used to position the legend.legend : the text of the legend.fill : colors to use for filling the boxes beside the legend text.col : colors of lines and points beside the legend : the background color for the legend box.

How do I change the title of a legend in R?

Key ggplot2 R functionsp + 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 change my legend title?

Select your chart in Excel, and click Design > Select Data.Click on the legend name you want to change in the Select Data Source dialog box, and click Edit. … Type a legend name into the Series name text box, and click OK.

What’s a legend?

A legend is a genre of folklore that consists of a narrative featuring human actions perceived or believed both by teller and listeners to have taken place within human history. Narratives in this genre may demonstrate human values, and possess certain qualities that give the tale verisimilitude.

How do I add a legend in ggplot2?

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 legend function 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 center Ggtitle?

The default ggplot title alignment is not centered. It is on the left. It’s possible to put the title in the middle of the chart by specifying the argument hjust = 0.5 in the function element_text() : p + theme(plot.

How do you add a title to a graph in R?

To add a title to your plot, add the code +ggtitle(“Your Title Here”) to your line of basic ggplot code.

How do you add a legend to a title in Matlab?

To add a legend title, set the String property of the legend text object. To change the title appearance, such as the font style or color, set legend text properties. For a list, see Text Properties. plot(rand(3)); lgd = legend(‘line 1′,’line 2′,’line 3’); lgd.