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116
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CSDA
2010
111views more  CSDA 2010»
15 years 3 months ago
Robust online signal extraction from multivariate time series
We introduce robust regression-based online filters for multivariate time series and discuss their performance in real time signal extraction settings. We focus on methods that ca...
Vivian Lanius, Ursula Gather
122
Voted
CSDA
2010
98views more  CSDA 2010»
15 years 3 months ago
Design-based estimation for geometric quantiles with application to outlier detection
Geometric quantiles are investigated using data collected from a complex survey. Geometric quantiles are an extension of univariate quantiles in a multivariate set-up that uses th...
Mohamed Chaouch, Camelia Goga
91
Voted
CSDA
2010
67views more  CSDA 2010»
15 years 3 months ago
Factor-GMM estimation with large sets of possibly weak instruments
This paper analyses the use of factor analysis for instrumental variable estimation when the number of instruments tends to infinity. We consider cases where the unobserved factor...
George Kapetanios, Massimiliano Marcellino
94
Voted
CSDA
2010
122views more  CSDA 2010»
15 years 3 months ago
A comparison of design and model selection methods for supersaturated experiments
Various design and model selection methods are available for supersaturated designs having more factors than runs but little research is available on their comparison and evaluati...
Christopher J. Marley, David C. Woods
148
Voted
CSDA
2010
173views more  CSDA 2010»
15 years 3 months ago
Time-varying joint distribution through copulas
This paper deals with the analysis of temporal dependence in multivariate highfrequency time series data. The dependence structure between the marginal series is modelled through ...
M. Concepcion Ausin, Hedibert F. Lopes