MachineLeaning https://www.pugetsystems.com/labs/hpc/Machine-Learning-and-Data-Science-Logistic-Regression-Implementation-996/ https://www.stat.cmu.edu/~cshalizi/350/lectures/ http://openclassroom.stanford.edu/MainFolder/DocumentPage.php?course=MachineLearning&doc=exercises/ex4/ex4.html side-wise----> axis = 1 downside | | | axis = 0