Results 21 to 30 of about 1,722,167 (288)

A Neural Probabilistic Graphical Model for Learning and Decision Making in Evolving Structured Environments

open access: yesMathematics, 2022
A difficult and open problem in artificial intelligence is the development of agents that can operate in complex environments which change over time. The present communication introduces the formal notions, the architecture, and the training algorithm of
Edmondo Trentin
doaj   +1 more source

Adaptive density estimation for stationary processes [PDF]

open access: yes, 2009
We propose an algorithm to estimate the common density $s$ of a stationary process $X_1,...,X_n$. We suppose that the process is either $\beta$ or $\tau$-mixing.
C. L. Mallows   +20 more
core   +5 more sources

An assessment of sampling designs using SCR analyses to estimate abundance of boreal caribou

open access: yesEcology and Evolution, 2020
Accurately estimating abundance is a critical component of monitoring and recovery of rare and elusive species. Spatial capture–recapture (SCR) models are an increasingly popular method for robust estimation of ecological parameters.
Samantha McFarlane   +6 more
doaj   +1 more source

Density Estimation for RWRE [PDF]

open access: yesMathematical Methods of Statistics, 2019
We consider the problem of non-parametric density estimation of a random environment from the observation of a single trajectory of a random walk in this environment. We first construct a density estimator using the beta-moments. We then show that the Goldenshluger-Lepski method can be used to select the beta-moment.
Havet, Antoine   +2 more
openaire   +3 more sources

Parameter estimation for stable distributions with application to commodity futures log-returns

open access: yesCogent Economics & Finance, 2017
This paper explores the theory behind the rich and robust family of $ \alpha $-stable distributions to estimate parameters from financial asset log-returns data.
M. Kateregga, S. Mataramvura, D. Taylor
doaj   +1 more source

msBP: An R Package to Perform Bayesian Nonparametric Inference Using Multiscale Bernstein Polynomials Mixtures

open access: yesJournal of Statistical Software, 2017
msBP is an R package that implements a new method to perform Bayesian multiscale nonparametric inference introduced by Canale and Dunson (2016). The method, based on mixtures of multiscale beta dictionary densities, overcomes the drawbacks of Pólya trees
Antonio Canale
doaj   +1 more source

Bayesian multivariate mixed-scale density estimation [PDF]

open access: yes, 2014
Although continuous density estimation has received abundant attention in the Bayesian nonparametrics literature, there is limited theory on multivariate mixed scale density estimation.
Canale, Antonio, Dunson, David B.
core   +3 more sources

Bagging of density estimators [PDF]

open access: yesComputational Statistics, 2019
In this work we give new density estimators by averaging classical density estimators such as the histogram, the frequency polygon and the kernel density estimators obtained over different bootstrap samples of the original data. We prove the L 2-consistency of these new estimators and compare them to several similar approaches by extensive simulations.
Bourel, Mathias, Cugliari, Jairo
openaire   +4 more sources

Evaluating the Use of Drones Equipped with Thermal Sensors as an Effective Method for Estimating Wildlife

open access: yesWildlife Society Bulletin, 2020
Drones equipped with thermal sensors have shown ability to overcome some of the limitations often associated with traditional human‐occupied aerial surveys (e.g., low detection, high operational cost, human safety risk).
Jared T. Beaver   +5 more
doaj   +1 more source

Density Estimation

open access: yesStatistical Science, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

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