david-cortes

contextualbandits

Python implementations of contextual bandits algorithms

isotree

(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 conditioning

costsensitive

(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 extensions

snapper-in-debian-guide

Step-by-step guide for configuring Debian with automated BTRFS snapshots and rollbacks from the boot menu

R-openblas-in-windows

Short tutorial for setting up OpenBLAS in R for Windows

recometrics

(Python, R, C++) Library-agnostic evaluation framework for implicit-feedback recommender systems

MatrixExtra

(R) Efficient methods and operators for the sparse matrix classes in 'Matrix' (esp. CSR format or "RsparseMatrix")

approxcdf

(Python, R, C) Fast approximations for the CDF of multivariate normal distributions

installing-optimized-libraries

Step-by-step guide for installing scientific libraries for R and Python in ways that maximize their performance

readsparse

(Python, R, C++) Read and write sparse matrices in SVMLight / LibSVM formats

multinomial_probit

(R, Python) Multinomial Probit Regression (MNP) for multi-class classification

cycereal

C++ Cereal headers as an installable Python package, for Cython

findblas

Python module for finding available BLAS libraries in the system and linking wrapped C/C++ or FORTRAN code to it

altreppedpointer

(R) Example of using R's ALTREP system with externalptr objects to manage serialization of C++ objects

feature_engine

Feature engineering package with sklearn like functionality

duckdb

DuckDB is an in-process SQL OLAP Database Management System

duckdb-web

DuckDB-Web - Source code of duckdb.org

L-BFGS-B-NS

(Python, FORTRAN) Minimization of non-smooth functions subject to bound constraints

LightGBM

A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

python-libmf

rsparse

Fast and accurate machine learning on sparse matrices - matrix factorizations, regression, classification, top-N recommendations.

scikit-learn

scikit-learn: machine learning in Python

snapper-rollback

Script for rolling back to a previous snapper-managed BTRFS snapshot.

unwindprotect

(R) Example of using R's unwind protection with C++ objects

xgboost

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Flink and DataFlow