Course Code: bspml Duration: 21 hours Overview: Bespoke Python & Machine Learning course for Ofcom Course Outline: Day 1 (AM) Python for Data Science and Machine Learning - pandas and numpy - reading in data from files and the web - arrays - common matrix operations - optimizing performance by avoiding loops - sorting - filtering - aggregating - working with time series data Day 1 (PM) Principles of Machine Learning - Supervised learning: classification and regression - Trade-off between good model fit and overfitting - The perceptron (a first look at neural networks) - Discriminant analysis - Logistic regression as classifier - The support vector machine - K-nearest neighbours - Measuring performance Day 2 (AM) Neural networks - From regression to neural networks - Multi-layer perceptrons - Activation functions: Sigmoid, ReLU - Cost functions: squared error loss, cross-entropy - general NN tips and tricks: choosing learning rates and regularization constants - TensorFlow as an environment for efficient computation on graphs - Training statistical models in TensorFlow (via Keras) - Optimization Day 2 (PM) Deep learning with convolutional neural networks (CNNs) - Motivation: the visual cortex - Architecture of CNNs: - Convolutional layers - Pooling layers for downsampling - Normalization - Regularization - L1/L2 regularization - Dropout Day 3 (AM) Ensemble Methods & Unsupervised Learning - Decision trees - Bootstrap aggregation (bagging) for decision trees - Random forest - Boosted decision trees - Unsupervised Learning - Principal components analysis Day 3 (PM) Practical examples of problems that machine learning can solve, e.g. - image analysis - forecasting complex financial series, such as stock prices, - complex pattern recognition - natural language processing - recommender systems