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fence (version 1.0)

Using Fence Methods for Model Selection

Description

This method is a new class of model selection strategies, for mixed model selection, which includes linear and generalized linear mixed models. The idea involves a procedure to isolate a subgroup of what are known as correct models (of which the optimal model is a member). This is accomplished by constructing a statistical fence, or barrier, to carefully eliminate incorrect models. Once the fence is constructed, the optimal model is selected from among those within the fence according to a criterion which can be made flexible. References: 1. Jiang J., Rao J.S., Gu Z., Nguyen T. (2008), Fence Methods for Mixed Model Selection. The Annals of Statistics, 36(4): 1669-1692. . 2. Jiang J., Nguyen T., Rao J.S. (2009), A Simplified Adaptive Fence Procedure. Statistics and Probability Letters, 79, 625-629. 3. Jiang J., Nguyen T., Rao J.S. (2010), Fence Method for Nonparametric Small Area Estimation. Survey Methodology, 36(1), 3-11. . 4. Jiming Jiang, Thuan Nguyen and J. Sunil Rao (2011), Invisible fence methods and the identification of differentially expressed gene sets. Statistics and Its Interface, Volume 4, 403-415. . 5. Thuan Nguyen & Jiming Jiang (2012), Restricted fence method for covariate selection in longitudinal data analysis. Biostatistics, 13(2), 303-314. . 6. Thuan Nguyen, Jie Peng, Jiming Jiang (2014), Fence Methods for Backcross Experiments. Statistical Computation and Simulation, 84(3), 644-662. . 7. Jiang, J. (2014), The fence methods, in Advances in Statistics, Hindawi Publishing Corp., Cairo. . 8. Jiming Jiang and Thuan Nguyen (2015), The Fence Methods, World Scientific, Singapore. .

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Version

Install

install.packages('fence')

Monthly Downloads

124

Version

1.0

License

BSD_2_clause + file LICENSE

Maintainer

Last Published

July 1st, 2017

Functions in fence (1.0)

fence.NF

Fence model selection (Nonparametric Model)
fence.lmer

Fence model selection (Linear Mixed Model)
adaptivefence

Adaptive Fence model selection
adaptivefence.fh

Adaptive Fence model selection (Small Area Estmation)
summary.AF

Summary Adaptive Fence model selection
summary.NF

Summary Nonparametric Fence model selection
fence.sae

Fence model selection (Small Area Estmation)
invisiblefence

Invisible Fence model selection
plot.AF

Plot Adaptive Fence model selection
plot.NF

Plot Nonparametric Fence model selection
IF.lm

Invisible Fence model selection (Linear Model)
IF.lmer

Invisible Fence model selection (Linear Mixed Model)
RF

Adaptive Fence model selection (Restricted Fence)
X.lmer

X.lmer
kidney

kidney
nonadaptivefence

Nonadaptive Fence model selection