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DREAMS2 days ago
DREAMS in manifoldsR | Intro | Measuring both ends | PCA vs t-SNE vs DREAMS | Tuning lambda | Bring your own reference
Using t-SNE2 days ago
t-SNE in manifoldsR | Intro | Running t-SNE | Clustered data | Swissrole | Trajectory | Using pre-computed kNN graphs | Quick-and-dirty Barnes-Hut | FFT-accelerated t-SNE | Three-kernel FFT | Benchmarks
Getting started with annsearchR8 days ago
Build and query | Is it right? Measure recall | Tune at query time | Which index? | The kNN graph of the data itself | Metrics and precision | Threads | Saving and loading
Diffusion profiles9 days ago
Setup | Background | A toy interactome | Reactome and a MYC signature | Where does the mass go? | Comparing profiles | Choosing a metric | Caveats and next steps
Density-preserving embeddings13 days ago
densMAP and den-SNE in manifoldsR | Intro | Measuring what gets lost | densMAP vs UMAP | den-SNE vs t-SNE | Varying density along a manifold | Using pre-computed kNN graphs | Tuning lambda | Where to go next
Using ForceAtlas221 days ago
ForceAtlas2 in manifoldsR | Intro | Running ForceAtlas2 | Clustered data | Trajectory | The knobs | Bring your own graph
Generating parameter wrappers21 days ago
The problem | A spec | What comes out | Field types | Merging a shared defaults block | Running it | What is next
Metapath2vec22 days ago
Running metapath2vec | Setup | Background | Building a typed Reactome graph | Check your walk statistics first | Gene embeddings | Do genes cluster by biology? | Nearest neighbours | Pathway embeddings | Where to go from here
Nearest neighbour searches1 months ago
Nearest neighbour searches in manifoldsR | Synthetic data | Exhaustive search | Approximate searches | Speed | Precision
Using UMAP2 months ago
UMAP in manifoldsR | Intro | Running UMAP | Clustered data | Swissrole | Trajectory | Using pre-computed kNN parameters | UMAP speed and optimisers
Using PaCMAP4 months ago
PaCMAP in manifoldsR | Intro | Running PaCMAP | Clustered data | Swiss role | Trajectory | Hierarchical structure | Using pre-computed kNN graphs | Benchmarks
Clustering methods in manifoldsR5 months ago
Clustering in manifoldsR | Algorithms at a glance | Synthetic data | K-means clustering | Full k-means at the correct k | Over-specifying k: full vs mini-batch | Elbow plot with inertia | EVoC clustering | Multiple layers | Approximate number of clusters | Comparison
Using PHATE5 months ago
PHATE in manifoldsR | Intro | Running PHATE | Clustered data | Swiss role | Trajectory | Using pre-computed kNN graphs | Landmark PHATE | Benchmarks
Using diffusion maps5 months ago
Diffusion maps in manifoldsR | Intro | Running diffusion maps | Clustered data | Swiss role | Trajectory | Using pre-computed kNN graphs | Landmark diffusion maps | Benchmarks
Embedding Drift via node2vec5 months ago
Context-aware differential embedding with node2vec | Setup | Background | Synthetic data | Visualising the two graphs | Running EmbedDrift | Initialising the object | Generating embeddings | Calculating drift
Graph Diffusion5 months ago
Network diffusion with genewalkR | Setup | Background | A simple example: lattice graph | Building the graph and kernel | Diffusing a single source node | Visualising score decay | Heatmap on the grid | Comparing scoring methods | Biologically motivated example: scale-free network | Generating the network | Simulating a disease gene signal | Running diffusion | Inspecting the top candidates | Comparing kernels | Summary
How to run GeneWalk5 months ago
Exploring Gene Walk | Setup | Synthetic data | Exploring the data and initialising the object | Running gene walk on the synthetic data | Real data | Using the builder factory | Check the node degree | Running gene walk on actual data | Exploring the results | Check the embeddings | Scatter plot | Actual data | Random data set | Using your own data
Node2vec5 months ago
Running node2vec | Setup | Background | Synthetic data | Exploring node2vec | Barbell graph | Exploring the data | Cavemen graph | Stochastic blocks