birth_2006              Half of male births recorded in the Comunitat
                        Valenciana (Spain) during 2006.
coord_age               Time elapsed (in years) since last birthday and
                        the date of the event
coord_time              Time elapsed (in years) since the beginning of
                        the year
count_events_quarter    Data frame of number of events occurring in
                        each Lexis-diagram quarter
death_2006              Half of male deaths recorded in Comunitat
                        Valenciana (Spain) during year 2006.
distribute_excess       Randomly distributes the excess of recorded
                        births in a given day
emi_2006                Male emigrants recorded in Comunitat Valenciana
                        (Spain) during year 2006.
exact_age               Time elapsed (in years) since the dates of
                        birth and event.
immi_2006               Half of the male immigrants recorded in
                        Comunitat Valenciana (Spain) during year 2006.
plot.qlifetable         Graphical representation in a 4x4 raster of a
                        qlifetable data frame.
pop_2006                Half of the male population living in the
                        Comunitat Valenciana (Spain) on January, 1
                        2006.
quarterly_variables     Data frame of quarterly variables
time_exposed_ins        Data frame of time exposed at risk for a
                        population of immigrants/portfolio entries
time_exposed_newborns   Data frame of time exposed at risk for a
                        population of newborns
time_exposed_outs       Data frame of time exposed at risk for a
                        population of deaths/emigrants/exits (portfolio
                        withdrawals, lapses) during the year of the
                        event.
time_exposed_stock      Data frame of time exposed at risk for a stock
                        of general/insured population
