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To add the labels, we have text() , the first argument gives the X value of each point, the second argument the Y value (so R knows where to place the text) and the third argument is the corresponding label. The argument pos=1 is there to tell R to draw the label underneath the point; with pos=2 (etc.)

In matplotlib, there are many ways to add texts to a plot. The easiest and most feasible way is using the plt. text() function. plt.

How to add text to a plot. text() is the main function we can use to add text to a plot. We start by adding the string “function” with fontsize=12 to the location (10, 20). By default, the location is given in data coordinates.

To add text to one point, specify x and y as scalars. To add text to multiple points, specify x and y as vectors with equal length. text( x , y , z , txt ) positions the text in 3-D coordinates. text(___, Name,Value ) specifies Text object properties using one or more name-value pairs.

Program Approach: Import matplotlib. pyplot module for visualization. Open sample. txt file in read mode 'r' with file open( ) function. Iterate through each line in the file using a for a loop. Append each row in the file into the list as required for our visualization. Using plt.

You can add a title to a base R plot using the title function. This is equivalent to set the argument main of the plot function. The title function also supports adding a subtitle with the sub argument. You can also specify the axis labels using this function.

Add Titles to a Graph in R Programming – title() Function title() function in R Language is used to add main title and axis title to a graph. This function can also be used to modify the existing titles. Syntax: title(main = NULL, sub = NULL, xlab = NULL, ylab = NULL, …)

The text() function allows us to put text on the plot where we want it. An obvious use is to label a line or group of points. This would give us two labels in the upper right corner of the plot, which with appropriate arrows could be used in place of a legend. Note that vectors were supplied as the coordinates.

mtext() function in R Programming Language is used to add text to the margins of the plot. Parameters: text: text to be written. side: An integer specifying the side of the plot, such as: bottom, left, top, and right.