experimental revision of survey package

Documentation for package ‘surveyNG’ version 0.3

close.sqlsurvey	Survey design based on SQL database
dim.sqlsurvey	Survey design based on SQL database
open.sqlmodelmatrix	Survey design based on SQL database
open.sqlsurvey	Survey design based on SQL database
sqlhexbin	Hexagonal binning
sqlmodelmatrix	Create model matrix in a SQL table
sqlocpoly	Smoothing
sqlsubst	Substitute variables into a text string
sqlsurvey	Survey design based on SQL database
sqlvar	Horvitz-Thompson estimator for multistage sampling
svylm	Linear regression models
svymean.sqlsurvey	Means and totals
svyquantile.sqlsurvey	Probability-weighted quantiles
svytotal.sqlsurvey	Means and totals