You can easily add the main title and axis labels with arguments to the
plot() function in R to enhance the quality of your graphic.
plot(x, y, main = NULL, xlab = NULL, ylab = NULL ...)
|the coordinates of points in the plot. Alternatively, a single plotting structure, function or any R object with a |
|the y coordinates of points in the plot, optional if |
|an overall title for the plot. The default is |
|a title for the y-axis. The default is |
|a title for the x-axis. The default is |
First we need data
Let’s create data for our plot
Here some values which we will use to make a plot.
# Create data > x <- c(1:10) > y <- x*x
Once, we have the values ready we can start creating our plot.
# Create a plot the data we just generated > plot(x, y)
Now, as you can see it is a default plot with no title not proper x and y labels too.
Likewise, we will now add labels and titles to our plot. We need three arguments
main: Main plot title
xlab: x-axis label
ylab: y-axis label
Let’s add title as “y=x^2 plot” and label the axis.
> plot(x, y, main="y=x^2 plot", xlab="x axis", ylab="y axis")
Hence, we studied how to label axis and add titles to a plot using plot() function in R.
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