bind_source             Row-bind a list of data.frames or remote tables
                        with variable selection and renaming
build_def               Build case definition function calls
collapse_episode        Group records no more than n days apart as
                        episodes
compute_comorbidity     Compute Elixhauser Comorbidity Index
compute_duration        Compute duration between two dates
cut_period              Cut the time period in one row into multiple
                        rows by interval
define_case             Identify diseases/events from administrative
                        records
define_case_with_age    Identify diseases/events from administrative
                        records with age restriction
exclude                 Remove rows based on conditions or another data
                        set
execute_def             Execute parameterized case definitions
fetch_var               Get variables from multiple tables with common
                        ID columns
identify_row            Identify rows with a match
if_date                 Interpret if any n elements drawn from a date
                        vector could be some days apart within some
                        time span
lookup                  Find value corresponding to the input vector
                        using a look-up table
make_test_dat           Make test data
pool_case               Pool qualified clients from results of multiple
                        definitions
report_n                Report number of distinct value in a column
                        across data frames
restrict_date           Remove or flag groups failed to meet conditions
                        based on dates
restrict_n              Remove or flag groups with n less than some
                        number
