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The R `sampling' package

Alina Matei and Yves Tillé University of Neuchâtel

Euskal Estatistika Erakundea XXIII Seminario Internacional de Estadística November 2010

Alina Matei and YvesTillé

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The R `sampling' package

November 2010

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Introduction and aim

The R language

The R language

Shareware available on http://cran.r-project.org/ The Comprehensive RArchive Network Installation: 10 minutes All the manuels are available in pdf Everyone can write an additional package (600 packages are available) Packages are loaded directly from R. The manual of thepackage is available online and in pdf. Package `sampling' written by Matei and Tillé.

Alina Matei and Yves Tillé

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The R `sampling' package

November 2010

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Introduction andaim

History of the package

Continuous distributions

EFTA course for public statisticians (April 2005). Objective : to apply directly the theory with the R language. Theory + Exercices witha laptop and R. Writing of a large set of procedures. Finally, decision of submitting the package to the CRAN.

Alina Matei and Yves Tillé

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The R `sampling' package

November 2010

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Content of the package

Topics

Content of the package

Stratication, two-stage, unequal probabilities, balanced sampling Estimation: calibration and regression estimator Tools :computation of inclusion probabilities, crossing strata Data bases, Swiss municipalities, Belgian municipalities.

Alina Matei and Yves Tillé

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November 2010

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Tools

Tools

writesample: return the list of all the samples of xed sample size cleanstrata: renumbering of the strata disjonctive return a matrix wit 0 and 1 thatis the disjonctive representation of the stratum. inclusionprobabilities: compute unequal inclusion probabilities from an auxiliary variable variable.

Alina Matei and Yves Tillé

()

The R...
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