least_squares_plots:
R version 3.4.4 (2018-03-15)
Compare 15 data points with the least squares line
y = A * x + B
which minimizes the root-mean-square error.
The data is actually perturbed values of a quadratic
formula, which is shown for comparison:
y = 1/2 x^2 + 1
Graphics saved as ' least_squares_plots.png '
least_squares_plots
Normal end of execution.