FDM                     Functional data model
FMEAN                   Functional mean model
FNAIVE                  Functional naive model
GAPC                    Generalized APC stochastic mortality model
LC                      Lee-Carter model
age_components          Extract age components from a model
as_vital                Coerce to a vital object
autoplot.fbl_vtl_ts     Plot forecasts from a vital model
autoplot.mdl_vtl_df     Plot output from a vital model
autoplot.vital          Rainbow plot of demographic data against age
cohort_components       Extract cohort components from a model
collapse_ages           Collapse upper ages into a single age group.
                        Counts are summed while rates are recomputed
                        where possible.
forecast.FDM            Produce forecasts from a vital model
generate.mdl_vtl_df     Generate responses from a mable
generate_population     Future population simulation
interpolate.mdl_vtl_df
                        Interpolate missing values using a vital model
life_expectancy         Compute life expectancy from age-specific
                        mortality rates
life_table              Compute period life tables from age-specific
                        mortality rates
make_pr                 Do a product/ratio transformation
make_sd                 Do a sum/difference transformation
model.vital             Estimate models for vital data
net_migration           Calculate net migration from a vital object
norway_births           Norwegian mortality and births data
read_hfd                Read data directly from HFD and construct a
                        'vital' object for use in other functions
read_hfd_files          Read data from files downloaded from HFD and
                        construct a 'vital' object for use in other
                        functions
read_hmd                Read data directly from HMD and construct a
                        'vital' object for use in other functions
read_hmd_files          Read data from files downloaded from HMD and
                        construct a 'vital' object for use in other
                        functions
read_ktdb               Read old-age mortality from Kannisto-Thatcher
                        (K-T) database and construct a 'vital' object
                        for use in other functions
read_ktdb_files         Read old-age mortality data from files
                        downloaded from K-T database
read_stmf               Read Short-Term Mortality Fluctuations data
                        from the Human Mortality Database
read_stmf_files         Read STMF data from files downloaded from HMD
smooth_mortality_law    Function to smooth mortality rates using
                        MortalityLaw package
smooth_spline           Functions to smooth demographic data
time_components         Extract time components from a model
total_fertility_rate    Compute total fertility rate from age-specific
                        fertility rates
undo_pr                 Undo a product/ratio transformation
undo_sd                 Undo a mean/difference transformation
vital                   Create a vital object
vital_vars              Return vital variables
