Results 51 to 60 of about 936 (136)

Statistical inference optimized with respect to the observed sample for single or multiple comparisons

open access: yes, 2010
The normalized maximum likelihood (NML) is a recent penalized likelihood that has properties that justify defining the amount of discrimination information (DI) in the data supporting an alternative hypothesis over a null hypothesis as the logarithm of ...
Aitkin   +34 more
core   +1 more source

Introducing shrinkage in heavy-tailed state space models to predict equity excess returns

open access: yes, 2019
We forecast S&P 500 excess returns using a flexible Bayesian econometric state space model with non-Gaussian features at several levels. More precisely, we control for overparameterization via novel global-local shrinkage priors on the state innovation ...
Huber, Florian   +2 more
core  

Efficient Bayesian Interference for Stochastic Volatility [PDF]

open access: yes, 2016
Bayesian inference for stochastic volatility models using MCMC methods highly depends on actual parameter values in terms of sampling efficiency. While draws from the posterior utilizing the standard centered parameterization break down when the ...
Kastner, Gregor
core  

A Neural Stochastic Volatility Model

open access: yes, 2018
In this paper, we show that the recent integration of statistical models with deep recurrent neural networks provides a new way of formulating volatility (the degree of variation of time series) models that have been widely used in time series analysis ...
Luo, Rui   +3 more
core   +1 more source

Forecasting Global Equity Indices Using Large Bayesian VARs [PDF]

open access: yes, 2014
This paper proposes a large Bayesian Vector Autoregressive (BVAR) model with common stochastic volatility to forecast global equity indices. Using a dataset consisting of monthly data on global stock indices the BVAR model inherently incorporates co ...
Huber, Florian   +2 more
core  

Estimating Functions and Equations: An Essay on Historical Developments with Applications to Econometrics [PDF]

open access: yes
The idea of using estimating functions goes a long way back, at least to Karl Pearson's introduction to the method of moments in 1894. It is now a very active area of research in the statistics literature. One aim of this chapter is to provide an account
Anil K Bera   +2 more
core  

The case for formal methodology in scientific reform. [PDF]

open access: yesR Soc Open Sci, 2021
Devezer B   +3 more
europepmc   +1 more source

An Ancillarity Paradox Which Appears in Multiple Linear Regression

open access: yesThe Annals of Statistics, 1990
Consider a multiple regression in which \(Y_ i\), \(i=1,...,n\), are independent normal variables with variance \(\sigma^ 2\) and E \(Y_ i=\alpha +V'_ i\beta\) where \(V_ i\in {\mathbb{R}}^ r\) and \(\beta \in {\mathbb{R}}^ r\). Let \({\hat \alpha}\) be the usual least squares estimator of \(\alpha\).
openaire   +3 more sources

Comment: Models as Approximations. [PDF]

open access: yesStat Sci, 2019
Freeman NLB   +5 more
europepmc   +1 more source

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