svydesign               Survey sample analysis.
subset.survey.design    Subset of survey
update.survey.design    Add variables to a survey design
svrepdesign		Replication-weight designs
as.svrepdesign		Convert svydesign to svrepdesign
postStratify		Post-stratify a svrepdesign
rake			Rake a svrepdesign
subset.svyrep.design    Subset of svrepdesign
update.svyrep.design	Add variables to svrepdesign
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svyplot			Survey-weighted graphics
svyby			Tables of statistics 
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svycoxph                Survey-weighted Cox models
svyglm                  Survey-weighted generalised linear models.
svyquantile             Summary statistics for sample surveys
svytotal
svymean
svyvar
svytable		Contingency tables
svychisq		Tests for two-way tables
svymle                  Maximum pseudolikelihood estimation in complex
                        surveys
                 -----
svrepmean		Summary statistics with replication weights
svyreptable
svreptotal
svrepquantile
svrepglm		glms with replication weights
withReplicates		Replicate variances for arbitrary statistics

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Utility functions:
svy.varcoef             Sandwich variance estimator for glms
svyCprod                Computations for survey variances
svrVar			Computations for replication variances
jk1weights		create replication weights
jknweights		create replication weights
brrweights		create replication weights
hadamard		Hadamard matrices
regTermTest		Test terms in a regression model

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Data:
fpc                     Small artificial example
scd			Cardiac arrests example
api			California Academic Performance Index
