Linear regression

dataset = [[1, 1], [2, 3], [4, 3], [3, 2], [5, 5]]
Coefficients: B0=0.400, B1=0.800
[1.1999999999999995, 1.9999999999999996, 3.5999999999999996, 2.8, 4.3999999999999995]
RMSE: 0.693