add_zero                Expand a matrix or a data.frame with zeros
                        based on rownames matching
define_statistic_wrapper
                        Define a statistic wrapper
define_variance_wrapper
                        Define a variance estimation wrapper
ict_pop                 Sampling frame of the Information and
                        communication technologies (ICT) survey
ict_sample              Sample of the Information and communication
                        technologies (ICT) survey
ict_survey              Survey data of the Information and
                        communication technologies (ICT) survey
lfs_samp_area           Sample of areas in the Labour force survey
lfs_samp_dwel           Sample of dwellings in the Labour force survey
lfs_samp_ind            Sample of individuals in the Labour force
                        survey
qvar                    Quickly perform a variance estimation in common
                        cases
res_cal                 Linear Regression Residuals Calculation
standard_statistic_wrapper
                        Standard statistic wrappers
sum_by                  Efficient by-group (weighted) summation
varDT                   Variance approximation with Deville-Tillé
                        (2005) formula
varSYG                  Sen-Yates-Grundy variance estimator
var_pois                Variance estimator for a Poisson sampling
                        design
