Neural Network using Logistic Regression November 25, 2017 activation function forward pass hidden layer input layer leaky relu logistic regress neural network non-linear output layer relu sigmoid + tanh activation function forward pass hidden layer input layer leaky relu logistic regress neural network non-linear output layer relu sigmoid tanh activation function forward pass hidden layer input layer leaky relu logistic regress neural network non-linear output layer relu sigmoid tanh
Tips for python and numpy from weird bugs November 24, 2017 assertion bugs column vector +2 python tips rank 1 array reshape row vector shape assertion bugs column vector python tips rank 1 array reshape row vector shape assertion bugs column vector python tips rank 1 array reshape row vector shape
Computation Graph for Logistic Regression November 23, 2017 backpropagation computation graph +3 derivative logistic regression loss function sigmoid derivative vectorization backpropagation computation graph derivative logistic regression loss function sigmoid derivative vectorization backpropagation computation graph derivative logistic regression loss function sigmoid derivative vectorization
Computation Graph - why forward pass and backward pass November 23, 2017 backpropagation backward pass +1 computation graph derivative forward pass backpropagation backward pass computation graph derivative forward pass backpropagation backward pass computation graph derivative forward pass
Logistic Regression for Binary Classification November 23, 2017 cost function derivative Gradient Descent logistic regression loss function + slope cost function derivative Gradient Descent logistic regression loss function slope cost function derivative Gradient Descent logistic regression loss function slope
TensorFlow Core June 18, 2017 assign computational graph +3 Gradient Descent placeholder rank shape tensor variable assign computational graph Gradient Descent placeholder rank shape tensor variable assign computational graph Gradient Descent placeholder rank shape tensor variable
Finished Machine Learning Course - What's next? April 09, 2017 andrew ng coursera +0 machine learning andrew ng coursera machine learning andrew ng coursera machine learning
Large Margin Intuition March 20, 2017 large margin classifier +1 Large Margin Intuition outlier Support Vector Machine svm svm decision boundary large margin classifier Large Margin Intuition outlier Support Vector Machine svm svm decision boundary large margin classifier Large Margin Intuition outlier Support Vector Machine svm svm decision boundary
Support Vector Machine March 20, 2017 large margin classification logistic regression + Support Vector Machine large margin classification logistic regression Support Vector Machine large margin classification logistic regression Support Vector Machine
Trading Off Precision and Recall March 19, 2017 cross validation evaluation metric F score F1 score precision recall + trade off cross validation evaluation metric F score F1 score precision recall trade off cross validation evaluation metric F score F1 score precision recall trade off