def calculate_regression(x, y, function, name):
regression = Regression(x, y)
a1, b1 = regression.least_squares_regression()
print('Square')
print(a1, b1)
a2, b2 = regression.least_absolute_regression()
print('Absolute')
print(a2, b2)
plot(x, y, function, [[a1, b1], [a2, b2]], name)
