Applications and Case Studies
Theory and Methods
The Applications and Case Studies section starts with
Generalized Thresholding of Large Covariance Matrices—Adam
a discussion paper titled “A Spatio-Temporal Model
J. Rothman, Elizaveta Levina, and Ji Zhu
for Mean, Anomaly, and Trend Fields of North
Order Selection in Finite Mixture Models With a Nonsmooth Atlantic Sea Surface Temperature,” by Ricardo Lemos
Penalty—Jiahua Chen and Abbas Khalili and Bruno Sansó. The discussants for this paper are
Likelihood-Based Sufficient Dimension Reduction—R. Dennis
Chris Wikle, Ralph Milliff, Roy Mendelssohn, and
Cook and Liliana Forzani
David Higdon. The paper uses Gaussian process
models to extend our understanding of an important
Local Multidimensional Scaling for Nonlinear Dimension
component in the world climate system.
Reduction, Graph Drawing, and Proximity Analysis—Lisha
Other papers, no less distinguished, include a range
Chen and Andreas Buja
of biological applications. Medical applications arise in
Shrinkage Estimators for Robust and Efficient Inference in
the clustering of trajectories for progesterone dynamics
Haplotype-Based Case-Control Studies—Yi-Hau Chen,
in the article by Jamie Bigelow and David Dunson;
Nilanjan Chatterjee, and Raymond J. Carroll
imaging of the carotid artery by Laura Sangalli,
Piercesare Secchi, Simone Vantini, and Alessandro
Variable Selection for Partially Linear Models with
Veneziani; treatment of bone cancer by Richard
Measurement Errors —Hua Liang and Runze Li
Cook, Jerald Lawless, Lajmi Lakhal-Chaieb, and
Local Spectral Analysis via a Bayesian Mixture of Smoothing Ker-Ai Lee; liver transplant outcomes by Douglas
Splines —Ori Rosen, David S. Stoffer, and Sally Wood Schaubel, Robert Wolfe, Camelia Sima, and Robert
A Bayesian Reassessment of Nearest-Neighbor Classification—
Merion; SARS modeling by Anthony Kuk and Tan
Lionel Cucala, Jean-Michel Marin, Christian P. Robert, and
C. C.; and breast-feeding by Erica Moodie, Robert
D. M. Titterington
Platt, and Michael Kramer. Genetics arises in the
calibration of a computer model for mitochondrial
A Bayesian Hierarchical Nonoverlapping Random Disc Growth
DNA deletions in an article by Daniel Henderson,
Model — Athanasios C. Micheas and Christopher K. Wikle
Richard Boys, Kim Krishnan, Conor Lawless, and
Time Series Modeling with Semiparametric Factor
Darren Wilkinson; isochore analysis in a paper by
Dynamics —Byeong U. Park, Enno Mammen, Wolfgang
Paul Fearnhead and Despina Vasileiou; and a hier-
Härdle, and Szymon Borak
archical model for SNP diversity in an article by Feng
Consistent Classification of Nonstationary Time Series Using
Guo, Dipak Dey, and Kent Holsinger.
Stochastic Wavelet Representations—Piotr Fryzlewicz and
Additionally, climate change is addressed by
Hernando Ombao
Richard Smith, Claudia Tebaldi, Doug Nychka,
and Linda Mearns. A model of asset pricing is pre-
Testing the Nullity of GARCH Coefficients: Correction of the
sented by Ronald Gallant and Robert McCulloch.
Standard Tests and Relative Efficiency Comparisons—
And the impact of job-training programs is covered by
Christian Francq and Jean-Michel Zakoïan
Junni Zhang, Donald Rubin, and Fabrizia Mealli.
Testing Dependence Among Serially Correlated Multicategory
This is a fun issue. It is always an astonishment
Variables—M. Hashem Pesaran and Allan Timmermann
and a delight to see how big our field is and how the
diversity of our applications is more than the sum of
Estimation of Parameters Subject to Order Restrictions on a
its parts.
Circle with Application to Estimation of Phase Angles of Cell
Cycle Genes—Cristina Rueda, Miguel A. Fernández, and
Theory and Methods
Shyamal Das Peddada
Papers in Theory and Methods make evident that
A Design-Adaptive Local Polynomial Estimator for the Errors-
interest in shrinkage and reduction is expanding.
in-Variables Problem—Aurore Delaigle, Jianqing Fan, and
The lead paper discusses estimation of large covari-
Raymond J. Carroll
ance matrices via thresholding and shrinkage (Adam
Robust Response Transformations Based on Optimal
Rothman, Elizaveta Levina, and Ji Zhu); Jiahua
Prediction—Alfio Marazzi, Ana J. Villar, and Victor J. Yohai
Chen and Abbas Khalili develop a SCAD-like pen-
alty method to select the order in mixture models;
Nonparametric Quantile Estimations for Dynamic Smooth
likelihood-based dimension reduction is the topic of a
Coefficient Models—Zongwu Cai and Xiaoping Xu
paper by R. Dennis Cook and Liliana Forzani; Lisha
Rank-Based Estimation and Associated Inferences for Linear Chen and Andreas Buja study nonlinear dimension
Models with Cluster Correlated Errors — John D. Kloke, reduction; Yi-Hau Chen, Nilanjan Chatterjee,
Joseph W. McKean, and M. Mushfiqur Rashid and Raymond Carroll use a shrinkage-based
Screening Experiments for Developing Dynamic Treatment
approach to adaptively relax model assumptions in
Regimes — S. A. Murphy and D. Bingham
haplotype-based case-control studies; and Hua
Liang and Runze Li study variable selection for
MAY 2009 AMSTAT NEWS 21
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