CSDA 2006 | Sciweavers

9

CSDA
2006

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Two-way Poisson mixture models for simultaneous document classification and word clustering

13 years 4 months ago

An approach to simultaneous document classification and word clustering is developed using a two-way mixture model of Poisson distributions. Each document is represented by a vect...

Jia Li, Hongyuan Zha

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12

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CSDA
2006

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Fast and compact smoothing on large multidimensional grids

13 years 4 months ago

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A framework of penalized generalized linear models and tensor products of B-splines with roughness penalties allows effective smoothing of data in multidimensional arrays. A strai...

Paul H. C. Eilers, Iain D. Currie, María Du...

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CSDA
2006

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Repeated median and hybrid filters

13 years 4 months ago

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Standard median filters preserve abrupt shifts (edges) and remove impulsive noise (outliers) from a constant signal but they deteriorate in trend periods. Finite impulse response ...

Roland Fried, Thorsten Bernholt, Ursula Gather

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14

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CSDA
2006

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Generalized structured additive regression based on Bayesian P-splines

13 years 4 months ago

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Generalized additive models (GAM) for modelling nonlinear effects of continuous covariates are now well established tools for the applied statistician. In this paper we develop Ba...

Andreas Brezger, Stefan Lang

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CSDA
2006

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Maximum a posteriori pruning on decision trees and its application to bootstrap BUMPing

13 years 4 months ago

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The cost-complexity pruning generates nested subtrees and selects the best one. However, its computational cost is large since it uses holdout sample or cross-validation. On the o...

Jinseog Kim, Yongdai Kim

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13

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CSDA
2006

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GACV for quantile smoothing splines

13 years 4 months ago

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Quantile smoothing splines provide nonparametric estimation of conditional quantile functions. Like other nonparametric smoothing techniques, the choice of smoothing parameters co...

Ming Yuan

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7

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CSDA
2006

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Introduction to the special issue on statistical signal extraction and filtering

13 years 4 months ago

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D. S. G. Pollock

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CSDA
2006

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An improved Akaike information criterion for state-space model selection

13 years 4 months ago

Download www.cgd.ucar.edu

Following the work of Hurvich, Shumway, and Tsai (1990), we propose an "improved" variant of the Akaike information criterion, AICi, for state-space model selection. The...

Thomas Bengtsson, Joseph E. Cavanaugh

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16

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CSDA
2006

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An improved method for generalized constrained canonical correlation analysis

13 years 4 months ago

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An improved method for generalized constrained canonical correlation analysis (GCCANO) is proposed. In the original GCCANO, data matrices were first decomposed into the sum of sev...

Yoshio Takane, Haruo Yanai, Heungsun Hwang

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CSDA
2006

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Segmenting magnetic resonance images via hierarchical mixture modelling

13 years 4 months ago