activation-function anaconda backward-propagation bias classification colormap cost-function crossplot csv dataframe dlis dlisio fill-area forward-propagation gradient-descent histogram inteligencia-artificial jupyter keras las lasio log loss-function machine-learning matplotlib numpy overfitting pandas perceptron plotly regresion-lineal regression reinforcement-learning relu scatterplot scikit-learn scipy seaborn sigmoid supervised-learning tanh tensorflow underfitting unsupervised-learning welly