Practice gradient descent algorithm with simple Linear Regression.
Practice Feature Engineering & Linear Regression,using Concrete_Data come from : https://archive.ics.uci.edu/ml/datasets/concrete+compressive+strength
Please refer description document : https://github.com/arleigh418/Machine-Learning-Lesson-Code-Record/blob/master/Linear%20Regression%20for%20Concrete%20Compressive%20Strength/Linear%20Regression%20Document.pdf