Section 25 Two Numerics

25.1 Scatter Plot

The generic function plot is used for plotting of R objects. For simple scatter plot of two continuous variables, it produces the plot for y against x.

For more details about the graphical parameter arguments that can be plugged into the plot function, type: ?plot.

25.2 Example 1

data(mtcars)

• Prepare a scatter plot of wt as x-axis and mpg as y-axis

• Draw a simple regression line