867 citations
- Forschungszentrum JülichDE9 papers
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7 papers · 1 filter
Objective Bayes testing of Poisson versus inflated Poisson models
M. J. Bayarri, James O. Berger, Gauri S. Datta
The Poisson distribution is often used as a standard model for count data. Quite often, however, such data sets are not well fit by a Poisson model because they have more zeros tha…
A Bayesian test for excess zeros in a zero-inflated power series distribution
Archan Bhattacharya, Bertrand S. Clarke, Gauri S. Datta
Power series distributions form a useful subclass of one-parameter discrete exponential families suitable for modeling count data. A zero-inflated power series distribution is a mi…
On surrogate dimension reduction for measurement error regression: An invariance law
Bing Li, Xiangrong Yin
We consider a general nonlinear regression problem where the predictors contain measurement error. It has been recently discovered that several well-known dimension reduction metho…
Nonparametric estimation of correlation functions in longitudinal and spatial data, with application to colon carcinogenesis experiments
Yehua Li, Naisyin Wang, Meeyoung Hong +3
In longitudinal and spatial studies, observations often demonstrate strong correlations that are stationary in time or distance lags, and the times or locations of these data being…
Spline-backfitted kernel smoothing of nonlinear additive autoregression model
Li Wang, Lijian Yang
Application of nonparametric and semiparametric regression techniques to high-dimensional time series data has been hampered due to the lack of effective tools to address the ``cur…
Modeling On-Line Art Auction Dynamics Using Functional Data Analysis
Srinivas K. Reddy, Mayukh Dass
In this paper, we examine the price dynamics of on-line art auctions of modern Indian art using functional data analysis. The purpose here is not just to understand what determines…