487 lines
31 KiB
HTML
487 lines
31 KiB
HTML
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<!-- tocinfo
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{'highest level': 2,
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'sections': [('Overview of week 47', 2, None, 'overview-of-week-47'),
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('Basic ideas of the Principal Component Analysis (PCA)',
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2,
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None,
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'basic-ideas-of-the-principal-component-analysis-pca'),
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('Introducing the Covariance and Correlation functions',
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2,
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None,
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('Reminding ourselves about Linear Regression',
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2,
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None,
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'reminding-ourselves-about-linear-regression'),
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('Simple Example', 2, None, 'simple-example'),
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('The Correlation Matrix', 2, None, 'the-correlation-matrix'),
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('Numpy Functionality', 2, None, 'numpy-functionality'),
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('Correlation Matrix again', 2, None, 'correlation-matrix-again'),
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('Using Pandas', 2, None, 'using-pandas'),
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('And then the Franke Function',
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2,
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None,
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'and-then-the-franke-function'),
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('Links with the Design Matrix',
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2,
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('Computing the Expectation Values',
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2,
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None,
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('Towards the PCA theorem', 2, None, 'towards-the-pca-theorem'),
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('More on the PCA Theorem', 2, None, 'more-on-the-pca-theorem'),
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("A kind of Bird's view on PCA",
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2,
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None,
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'a-kind-of-bird-s-view-on-pca'),
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('Writing our own PCA code', 2, None, 'writing-our-own-pca-code'),
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('Implementing it', 2, None, 'implementing-it'),
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('First Step', 2, None, 'first-step'),
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('Scaling', 2, None, 'scaling'),
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('Centered Data', 2, None, 'centered-data'),
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('Exploring', 2, None, 'exploring'),
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('Diagonalize the sample covariance matrix to obtain the '
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'principal components',
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2,
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None,
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'diagonalize-the-sample-covariance-matrix-to-obtain-the-principal-components'),
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('Collecting all Steps', 2, None, 'collecting-all-steps'),
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('Classical PCA Theorem', 2, None, 'classical-pca-theorem'),
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('The PCA Theorem', 2, None, 'the-pca-theorem'),
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('Geometric Interpretation and link with Singular Value '
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'Decomposition',
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2,
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None,
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'geometric-interpretation-and-link-with-singular-value-decomposition'),
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('PCA and scikit-learn', 2, None, 'pca-and-scikit-learn'),
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('Back to the Cancer Data', 2, None, 'back-to-the-cancer-data'),
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('Incremental PCA', 2, None, 'incremental-pca'),
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('Randomized PCA', 3, None, 'randomized-pca'),
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('Kernel PCA', 3, None, 'kernel-pca'),
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('Other techniques', 2, None, 'other-techniques'),
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('Clustering and Unsupervised Learning',
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2,
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None,
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('Basic Idea of the $k$-means Clustering Algorithm',
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2,
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None,
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('The $k$-means Algorithm', 2, None, 'the-k-means-algorithm'),
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('Basic Math of the $k$-means Algorithm',
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2,
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None,
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('Within Cluster Point Scatter',
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2,
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None,
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('More Details', 2, None, 'more-details'),
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('Total Cluster Variance', 2, None, 'total-cluster-variance'),
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('The $k$-means Clustering Algorithm',
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2,
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None,
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('Summarizing', 2, None, 'summarizing'),
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('Writing our own Code, the Data Set',
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2,
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None,
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('Implementing the $k$-means Algorithm',
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2,
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None,
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'implementing-the-k-means-algorithm'),
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('Plotting', 2, None, 'plotting'),
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('Continuing', 2, None, 'continuing'),
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('Wrapping it up', 2, None, 'wrapping-it-up'),
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('Summary of course', 2, None, 'summary-of-course'),
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('What? Me worry? No final exam in this course!',
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2,
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None,
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'what-me-worry-no-final-exam-in-this-course'),
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('What is the link between Artificial Intelligence and Machine '
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'Learning and some general Remarks',
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2,
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None,
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'what-is-the-link-between-artificial-intelligence-and-machine-learning-and-some-general-remarks'),
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('Going back to the beginning of the semester',
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2,
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None,
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'going-back-to-the-beginning-of-the-semester'),
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('Not so sharp distinctions',
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2,
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None,
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'not-so-sharp-distinctions'),
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('Topics we have covered this year',
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2,
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None,
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('Statistical analysis and optimization of data',
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2,
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('Machine learning', 2, None, 'machine-learning'),
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('Learning outcomes and overarching aims of this course',
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2,
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None,
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('Perspective on Machine Learning',
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2,
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None,
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'perspective-on-machine-learning'),
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('Machine Learning Research',
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2,
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None,
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('Starting your Machine Learning Project',
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2,
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None,
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('Choose a Model and Algorithm',
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2,
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None,
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'choose-a-model-and-algorithm'),
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('Preparing Your Data', 2, None, 'preparing-your-data'),
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('Which Activation and Weights to Choose in Neural Networks',
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2,
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None,
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'which-activation-and-weights-to-choose-in-neural-networks'),
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('Optimization Methods and Hyperparameters',
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2,
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None,
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'optimization-methods-and-hyperparameters'),
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('Resampling', 2, None, 'resampling'),
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('Other courses on Data science and Machine Learning at UiO',
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2,
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None,
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'other-courses-on-data-science-and-machine-learning-at-uio'),
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('Additional courses of interest',
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2,
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None,
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'additional-courses-of-interest'),
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("What's the future like?", 2, None, 'what-s-the-future-like'),
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('Types of Machine Learning, a repetition',
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2,
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None,
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'types-of-machine-learning-a-repetition'),
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('Why Boltzmann machines?', 2, None, 'why-boltzmann-machines'),
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('Boltzmann Machines', 2, None, 'boltzmann-machines'),
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('Some similarities and differences from DNNs',
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2,
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None,
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'some-similarities-and-differences-from-dnns'),
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('Boltzmann machines (BM)', 2, None, 'boltzmann-machines-bm'),
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('A standard BM setup', 2, None, 'a-standard-bm-setup'),
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('The structure of the RBM network',
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2,
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None,
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'the-structure-of-the-rbm-network'),
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('The network', 2, None, 'the-network'),
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('Goals', 2, None, 'goals'),
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('Joint distribution', 2, None, 'joint-distribution'),
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('Network Elements, the energy function',
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2,
|
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None,
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'network-elements-the-energy-function'),
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('Defining different types of RBMs',
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2,
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None,
|
|
'defining-different-types-of-rbms'),
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('More about RBMs', 2, None, 'more-about-rbms'),
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('Autoencoders: Overarching view',
|
|
2,
|
|
None,
|
|
'autoencoders-overarching-view'),
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|
('Bayesian Machine Learning',
|
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2,
|
|
None,
|
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'bayesian-machine-learning'),
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('Reinforcement Learning', 2, None, 'reinforcement-learning'),
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|
('Transfer learning', 2, None, 'transfer-learning'),
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|
('Adversarial learning', 2, None, 'adversarial-learning'),
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|
('Dual learning', 2, None, 'dual-learning'),
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('Distributed machine learning',
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|
2,
|
|
None,
|
|
'distributed-machine-learning'),
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|
('Meta learning', 2, None, 'meta-learning'),
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('The Challenges Facing Machine Learning',
|
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2,
|
|
None,
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'the-challenges-facing-machine-learning'),
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('Explainable machine learning',
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2,
|
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None,
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('Scientific Machine Learning',
|
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2,
|
|
None,
|
|
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('Quantum machine learning', 2, None, 'quantum-machine-learning'),
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('Quantum machine learning algorithms based on linear algebra',
|
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2,
|
|
None,
|
|
'quantum-machine-learning-algorithms-based-on-linear-algebra'),
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('Quantum reinforcement learning',
|
|
2,
|
|
None,
|
|
'quantum-reinforcement-learning'),
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('Quantum deep learning', 2, None, 'quantum-deep-learning'),
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('Social machine learning', 2, None, 'social-machine-learning'),
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('The last words?', 2, None, 'the-last-words'),
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('AI/ML and some statements you may have heard (and what do they '
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'mean?)',
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2,
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None,
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'ai-ml-and-some-statements-you-may-have-heard-and-what-do-they-mean'),
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('Best wishes to you all and thanks so much for your heroic '
|
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'efforts this semester',
|
|
2,
|
|
None,
|
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'best-wishes-to-you-all-and-thanks-so-much-for-your-heroic-efforts-this-semester')]}
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<a class="navbar-brand" href="week47-bs.html">Week 47: Unsupervised learning (PCA and Clustering) and Summary of Course</a>
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<ul class="nav navbar-nav navbar-right">
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<a href="#" class="dropdown-toggle" data-toggle="dropdown">Contents <b class="caret"></b></a>
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<ul class="dropdown-menu">
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<!-- navigation toc: --> <li><a href="._week47-bs001.html#overview-of-week-47" style="font-size: 80%;"><b>Overview of week 47</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs002.html#basic-ideas-of-the-principal-component-analysis-pca" style="font-size: 80%;"><b>Basic ideas of the Principal Component Analysis (PCA)</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs003.html#introducing-the-covariance-and-correlation-functions" style="font-size: 80%;"><b>Introducing the Covariance and Correlation functions</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs004.html#more-on-the-covariance" style="font-size: 80%;"><b>More on the covariance</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs005.html#reminding-ourselves-about-linear-regression" style="font-size: 80%;"><b>Reminding ourselves about Linear Regression</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs006.html#simple-example" style="font-size: 80%;"><b>Simple Example</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs007.html#the-correlation-matrix" style="font-size: 80%;"><b>The Correlation Matrix</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs008.html#numpy-functionality" style="font-size: 80%;"><b>Numpy Functionality</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs009.html#correlation-matrix-again" style="font-size: 80%;"><b>Correlation Matrix again</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs010.html#using-pandas" style="font-size: 80%;"><b>Using Pandas</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs011.html#and-then-the-franke-function" style="font-size: 80%;"><b>And then the Franke Function</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs012.html#links-with-the-design-matrix" style="font-size: 80%;"><b>Links with the Design Matrix</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs013.html#computing-the-expectation-values" style="font-size: 80%;"><b>Computing the Expectation Values</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs014.html#towards-the-pca-theorem" style="font-size: 80%;"><b>Towards the PCA theorem</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs015.html#more-on-the-pca-theorem" style="font-size: 80%;"><b>More on the PCA Theorem</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs016.html#a-kind-of-bird-s-view-on-pca" style="font-size: 80%;"><b>A kind of Bird's view on PCA</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs017.html#writing-our-own-pca-code" style="font-size: 80%;"><b>Writing our own PCA code</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs018.html#implementing-it" style="font-size: 80%;"><b>Implementing it</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs019.html#first-step" style="font-size: 80%;"><b>First Step</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs020.html#scaling" style="font-size: 80%;"><b>Scaling</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs021.html#centered-data" style="font-size: 80%;"><b>Centered Data</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs022.html#exploring" style="font-size: 80%;"><b>Exploring</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs023.html#diagonalize-the-sample-covariance-matrix-to-obtain-the-principal-components" style="font-size: 80%;"><b>Diagonalize the sample covariance matrix to obtain the principal components</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs024.html#collecting-all-steps" style="font-size: 80%;"><b>Collecting all Steps</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs025.html#classical-pca-theorem" style="font-size: 80%;"><b>Classical PCA Theorem</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs026.html#the-pca-theorem" style="font-size: 80%;"><b>The PCA Theorem</b></a></li>
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|
<!-- navigation toc: --> <li><a href="._week47-bs027.html#geometric-interpretation-and-link-with-singular-value-decomposition" style="font-size: 80%;"><b>Geometric Interpretation and link with Singular Value Decomposition</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs028.html#pca-and-scikit-learn" style="font-size: 80%;"><b>PCA and scikit-learn</b></a></li>
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|
<!-- navigation toc: --> <li><a href="._week47-bs029.html#back-to-the-cancer-data" style="font-size: 80%;"><b>Back to the Cancer Data</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs030.html#incremental-pca" style="font-size: 80%;"><b>Incremental PCA</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs030.html#randomized-pca" style="font-size: 80%;"> Randomized PCA</a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs030.html#kernel-pca" style="font-size: 80%;"> Kernel PCA</a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs031.html#other-techniques" style="font-size: 80%;"><b>Other techniques</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs032.html#clustering-and-unsupervised-learning" style="font-size: 80%;"><b>Clustering and Unsupervised Learning</b></a></li>
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|
<!-- navigation toc: --> <li><a href="._week47-bs033.html#basic-idea-of-the-k-means-clustering-algorithm" style="font-size: 80%;"><b>Basic Idea of the \( k \)-means Clustering Algorithm</b></a></li>
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|
<!-- navigation toc: --> <li><a href="._week47-bs034.html#the-k-means-algorithm" style="font-size: 80%;"><b>The \( k \)-means Algorithm</b></a></li>
|
|
<!-- navigation toc: --> <li><a href="._week47-bs035.html#basic-math-of-the-k-means-algorithm" style="font-size: 80%;"><b>Basic Math of the \( k \)-means Algorithm</b></a></li>
|
|
<!-- navigation toc: --> <li><a href="._week47-bs036.html#within-cluster-point-scatter" style="font-size: 80%;"><b>Within Cluster Point Scatter</b></a></li>
|
|
<!-- navigation toc: --> <li><a href="._week47-bs037.html#more-details" style="font-size: 80%;"><b>More Details</b></a></li>
|
|
<!-- navigation toc: --> <li><a href="._week47-bs038.html#total-cluster-variance" style="font-size: 80%;"><b>Total Cluster Variance</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs039.html#the-k-means-clustering-algorithm" style="font-size: 80%;"><b>The \( k \)-means Clustering Algorithm</b></a></li>
|
|
<!-- navigation toc: --> <li><a href="._week47-bs040.html#summarizing" style="font-size: 80%;"><b>Summarizing</b></a></li>
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|
<!-- navigation toc: --> <li><a href="._week47-bs041.html#writing-our-own-code-the-data-set" style="font-size: 80%;"><b>Writing our own Code, the Data Set</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs042.html#implementing-the-k-means-algorithm" style="font-size: 80%;"><b>Implementing the \( k \)-means Algorithm</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs043.html#plotting" style="font-size: 80%;"><b>Plotting</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs044.html#continuing" style="font-size: 80%;"><b>Continuing</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs045.html#wrapping-it-up" style="font-size: 80%;"><b>Wrapping it up</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs046.html#summary-of-course" style="font-size: 80%;"><b>Summary of course</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs047.html#what-me-worry-no-final-exam-in-this-course" style="font-size: 80%;"><b>What? Me worry? No final exam in this course!</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs048.html#what-is-the-link-between-artificial-intelligence-and-machine-learning-and-some-general-remarks" style="font-size: 80%;"><b>What is the link between Artificial Intelligence and Machine Learning and some general Remarks</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs049.html#going-back-to-the-beginning-of-the-semester" style="font-size: 80%;"><b>Going back to the beginning of the semester</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs050.html#not-so-sharp-distinctions" style="font-size: 80%;"><b>Not so sharp distinctions</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs051.html#topics-we-have-covered-this-year" style="font-size: 80%;"><b>Topics we have covered this year</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs052.html#statistical-analysis-and-optimization-of-data" style="font-size: 80%;"><b>Statistical analysis and optimization of data</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs053.html#machine-learning" style="font-size: 80%;"><b>Machine learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs054.html#learning-outcomes-and-overarching-aims-of-this-course" style="font-size: 80%;"><b>Learning outcomes and overarching aims of this course</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs055.html#perspective-on-machine-learning" style="font-size: 80%;"><b>Perspective on Machine Learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs056.html#machine-learning-research" style="font-size: 80%;"><b>Machine Learning Research</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs057.html#starting-your-machine-learning-project" style="font-size: 80%;"><b>Starting your Machine Learning Project</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs058.html#choose-a-model-and-algorithm" style="font-size: 80%;"><b>Choose a Model and Algorithm</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs059.html#preparing-your-data" style="font-size: 80%;"><b>Preparing Your Data</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs060.html#which-activation-and-weights-to-choose-in-neural-networks" style="font-size: 80%;"><b>Which Activation and Weights to Choose in Neural Networks</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs061.html#optimization-methods-and-hyperparameters" style="font-size: 80%;"><b>Optimization Methods and Hyperparameters</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs062.html#resampling" style="font-size: 80%;"><b>Resampling</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs063.html#other-courses-on-data-science-and-machine-learning-at-uio" style="font-size: 80%;"><b>Other courses on Data science and Machine Learning at UiO</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs064.html#additional-courses-of-interest" style="font-size: 80%;"><b>Additional courses of interest</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs065.html#what-s-the-future-like" style="font-size: 80%;"><b>What's the future like?</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs066.html#types-of-machine-learning-a-repetition" style="font-size: 80%;"><b>Types of Machine Learning, a repetition</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs067.html#why-boltzmann-machines" style="font-size: 80%;"><b>Why Boltzmann machines?</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs068.html#boltzmann-machines" style="font-size: 80%;"><b>Boltzmann Machines</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs069.html#some-similarities-and-differences-from-dnns" style="font-size: 80%;"><b>Some similarities and differences from DNNs</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs070.html#boltzmann-machines-bm" style="font-size: 80%;"><b>Boltzmann machines (BM)</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs071.html#a-standard-bm-setup" style="font-size: 80%;"><b>A standard BM setup</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs072.html#the-structure-of-the-rbm-network" style="font-size: 80%;"><b>The structure of the RBM network</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs073.html#the-network" style="font-size: 80%;"><b>The network</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs074.html#goals" style="font-size: 80%;"><b>Goals</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs075.html#joint-distribution" style="font-size: 80%;"><b>Joint distribution</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs076.html#network-elements-the-energy-function" style="font-size: 80%;"><b>Network Elements, the energy function</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs077.html#defining-different-types-of-rbms" style="font-size: 80%;"><b>Defining different types of RBMs</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs078.html#more-about-rbms" style="font-size: 80%;"><b>More about RBMs</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs079.html#autoencoders-overarching-view" style="font-size: 80%;"><b>Autoencoders: Overarching view</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs080.html#bayesian-machine-learning" style="font-size: 80%;"><b>Bayesian Machine Learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs081.html#reinforcement-learning" style="font-size: 80%;"><b>Reinforcement Learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs082.html#transfer-learning" style="font-size: 80%;"><b>Transfer learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs083.html#adversarial-learning" style="font-size: 80%;"><b>Adversarial learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs084.html#dual-learning" style="font-size: 80%;"><b>Dual learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs085.html#distributed-machine-learning" style="font-size: 80%;"><b>Distributed machine learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs086.html#meta-learning" style="font-size: 80%;"><b>Meta learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs087.html#the-challenges-facing-machine-learning" style="font-size: 80%;"><b>The Challenges Facing Machine Learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs088.html#explainable-machine-learning" style="font-size: 80%;"><b>Explainable machine learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs089.html#scientific-machine-learning" style="font-size: 80%;"><b>Scientific Machine Learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs090.html#quantum-machine-learning" style="font-size: 80%;"><b>Quantum machine learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs091.html#quantum-machine-learning-algorithms-based-on-linear-algebra" style="font-size: 80%;"><b>Quantum machine learning algorithms based on linear algebra</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs092.html#quantum-reinforcement-learning" style="font-size: 80%;"><b>Quantum reinforcement learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs093.html#quantum-deep-learning" style="font-size: 80%;"><b>Quantum deep learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs094.html#social-machine-learning" style="font-size: 80%;"><b>Social machine learning</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs095.html#the-last-words" style="font-size: 80%;"><b>The last words?</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs096.html#ai-ml-and-some-statements-you-may-have-heard-and-what-do-they-mean" style="font-size: 80%;"><b>AI/ML and some statements you may have heard (and what do they mean?)</b></a></li>
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<!-- navigation toc: --> <li><a href="._week47-bs097.html#best-wishes-to-you-all-and-thanks-so-much-for-your-heroic-efforts-this-semester" style="font-size: 80%;"><b>Best wishes to you all and thanks so much for your heroic efforts this semester</b></a></li>
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<h1>Week 47: Unsupervised learning (PCA and Clustering) and Summary of Course</h1>
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<!-- author(s): Morten Hjorth-Jensen -->
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<b>Morten Hjorth-Jensen</b> [1, 2]
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<!-- institution(s) -->
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[1] <b>Department of Physics, University of Oslo</b>
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[2] <b>Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University</b>
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<br>
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<h4>Nov 25, 2022</h4>
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<br>
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