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contextualbandits
Python implementations of contextual bandits algorithmsisotree
(Python, R, C/C++) Isolation Forest and variations such as SCiForest and EIF, with some additions (outlier detection + similarity + NA imputation)cmfrec
(Python, R, C) Collective (multi-view/multi-way) matrix factorization, including cold-start functionality (recommender systems, imputation, dimensionality reduction)hpfrec
Python implementation of 'Scalable Recommendation with Hierarchical Poisson Factorization'.outliertree
(Python, R, C++) Explainable outlier/anomaly detection through decision tree conditioningcostsensitive
(Python, R) Cost-sensitive multiclass classification (Weighted-All-Pairs, Filter-Tree & others)poismf
(Python, R, C) Poisson matrix factorization (non-Bayesian version) (recommender systems)ctpfrec
Python implementation of "Content-based recommendations with poisson factorization", with some extensionsdatascienceprojects
Sample data science projects (machine learning, optimization, business intelligence)recometrics
(Python, R, C++) Library-agnostic evaluation framework for implicit-feedback recommender systemsMatrixExtra
(R) Efficient methods and operators for the sparse matrix classes in 'Matrix' (esp. CSR format or "RsparseMatrix")R-openblas-in-windows
Short tutorial for setting up OpenBLAS in R for WindowsstochQN
(Python, Tensorflow, R, C, C++) Stochastic, limited-memory quasi-Newton optimizers (adaQN, SQN, oLBFGS)approxcdf
(Python, R, C) Fast approximations for the CDF of multivariate normal distributionspwlistorder
Ordering lists based on aggregated pairwise preferencesinstalling-optimized-libraries
Step-by-step guide for installing scientific libraries for R and Python in ways that maximize their performancereadsparse
(Python, R, C++) Read and write sparse matrices in SVMLight / LibSVM formatsmultinomial_probit
(R, Python) Multinomial Probit Regression (MNP) for multi-class classificationcycereal
C++ Cereal headers as an installable Python package, for Cythonfindblas
Python module for finding available BLAS libraries in the system and linking wrapped C/C++ or FORTRAN code to itsnapper-in-debian-guide
Step-by-step guide for configuring Debian with automated BTRFS snapshots and rollbacks from the boot menuhierreg
Python multilevel modeling (see 'A convex optimization approach to modeling consumer heterogeneity in conjoint estimation')binmf
(Python, R, C) Sparse binary matrix factorization with hinge lossStratifiedRF
Random forest-like model sampling variables in groupsnonneg_cg
(Python, R, C/C++) Minimize a function subject to non-negativity constraints on variables (conjugate gradient)fneighcf
Python implementation of 'Factor in the neighbors: Scalable and accurate collaborative filtering'Love Open Source and this site? Check out how you can help us