Azure Machine Learning Noam Brezis Madeira Data Solutions

Traditional Programming What is ML ? Traditional Programming Machine Learning Computer Data Output Program Computer Data Program Output

Training data includes desired outputs Unsupervised learning Types of Learning Supervised learning Training data includes desired outputs Unsupervised learning Training data does not include desired outputs

Machine learning is preferred approach to: Speech recognition Growth Of Machine Learning Machine learning is preferred approach to: Speech recognition Computer vision Medical outcomes analysis Robot control Computational biology This trend is accelerating: Improved machine learning algorithms Improved data, networking, faster computers Software too complex to write by hand Demo: http://www.clarifai.com/

Perceptron Input X1 w1 w2 X2 Output . . . wn Xn ( + ) = * * + + *

AND = 0.8 1 0.5 0.5 1 1 1 0.5 X1 X2 Output 1

Make Predictions X1 X2 Xn w1 w2 wn Output .

. . . X1 X2 Xn The Algorithm - Back Propagation 0.75 0.8 1.85 1.9 Output . . . -0.65 -0.7 Xn

The Algorithm - Back Propagation X1 0.75 1.85 X2 Output . . . -0.65 Xn

Only Linearly Separable

Neural Networks

Overfitting

Cross Validation

Deep Neural Network

Age < 30 1 Morning 3 Evening 2

Morning 1 Evening 3