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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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48 results for R-package

R package innsight interprets deep neural networks predictions.

problem Interpreting predictions of deep neural networks.
method Unified and user-friendly framework implementing feature attribution methods for neural networks, independent of deep learning library.
result Offers a variety of visualization tools for tabular, signal, image data or a combination.

The R Package CEC performs clustering based on the cross-entropy clustering (CEC) method, which was recently developed with the use of information theory. The main advantage of CEC is that it combines the speed and simplicity of kk-means with the ability to use various Gaussian mixture models and reduce unnecessary cl…

2015-08-19abs ↗pdf ↗

Developed R package for creating nomograms for any ML algorithms.

problem Creating nomograms for any machine learning algorithms.
method Formulated a function to transform ML prediction models into nomograms, requiring specific datasets.
result Created 5 types of nomograms for various ML algorithms and predictor types.

BKP R package models spatially varying binomial probabilities efficiently.

problem Modeling spatially varying binomial probabilities efficiently.
method Beta Kernel Process (BKP) combining localized kernel-weighted likelihoods with conjugate beta priors.
result Closed-form posterior inference without requiring latent variables or intensive MCMC sampling.

Background and objective: Stacking is an ensemble machine learning method that averages predictions from multiple other algorithms, such as generalized linear models and regression trees. An implementation of stacking, called super learning, has been developed as a general approach to supervised learning and has seen f…

2018-05-21abs ↗pdf ↗

DynForest R package predicts outcomes with time-dependent predictors.

problem Handling time-dependent predictors in random forest models.
method Random forests with time-dependent predictors summarized using flexible linear mixed models.
result DynForest can predict continuous, categorical, and survival outcomes.

OpenML is an online machine learning platform where researchers can easily share data, machine learning tasks and experiments as well as organize them online to work and collaborate more efficiently. In this paper, we present an R package to interface with the OpenML platform and illustrate its usage in combination wit…

2017-01-05abs ↗pdf ↗

This paper presents the R package gRapHD for efficient selection of high-dimensional undirected graphical models. The package provides tools for selecting trees, forests and decomposable models minimizing information criteria such as AIC or BIC, and for displaying the independence graphs of the models. It has also some…

2009-09-07abs ↗pdf ↗

bnlearn is an R package which includes several algorithms for learning the structure of Bayesian networks with either discrete or continuous variables. Both constraint-based and score-based algorithms are implemented, and can use the functionality provided by the snow package to improve their performance via parallel c…

2009-08-26abs ↗pdf ↗

A new R package for high-dimensional regression and precision matrix estimation.

problem High-dimensional linear regression and precision matrix estimation challenges.
method flare package implements various regression methods and extensions for sparse precision matrix estimation.
result The flare package is efficient and scalable for large problems.

Responds to comments on Bayesian Logic Regression algorithm, provides extensions and tutorial.

problem Improving Bayesian Logic Regression algorithm and its applications.
method Summarizes and responds to discussants' comments, provides extensions and tutorial.
result Extensions and tutorial for the Bayesian Logic Regression algorithm.

Unified R packages for forecast reconciliation of constrained series.

problem Improving accuracy and coherence of forecasts for linearly constrained multiple time series.
method Classical and machine learning-based linear reconciliation approaches for cross-sectional, temporal, and cross-temporal frameworks.
result Unified toolbox for forecast reconciliation in R.

RFpredInterval package builds prediction intervals for random forests and boosted forests.

problem Quantifying uncertainty in random forest and boosted forest point predictions.
method 16 methods to build prediction intervals with random forests and boosted forests.
result The proposed method outperforms existing methods in building prediction intervals.

pmsims R package uses Gaussian process for flexible sample size estimation in clinical models.

problem Determining adequate sample size for clinical prediction models.
method Simulation-based Gaussian process search for flexible sample size estimation.
result Gaussian process-based method produces more stable sample size estimates, especially in challenging settings.

R package spca computes sparse principal components efficiently.

problem Sparse principal components analysis (SPCA) for interpretable data.
method Least squares sparse principal component analysis (LS-SPCA) with efficient C++ backend.
result Computes sparse principal components that maximize variance and maintain strong correlations with PCs.

FBMS R package simplifies Bayesian model selection and averaging.

problem Complex regression settings with multi-modal posterior landscapes.
method Efficient MJMCMC and GMJMCMC algorithms for Bayesian model exploration.
result FBMS effectively handles Bayesian generalized linear and nonlinear models.