addAge                  Compute the age of the individuals at a certain
                        date
addAgeQuery             Query to add the age of the individuals at a
                        certain date
addBirthday             Add the birth day of an individual to a table
addBirthdayQuery        Add the birth day of an individual to a table
addCategories           Categorize a numeric variable
addCdmName              Add cdm name
addCohortIntersectCount
                        It creates columns to indicate number of
                        occurrences of intersection with a cohort
addCohortIntersectDate
                        Date of cohorts that are present in a certain
                        window
addCohortIntersectDays
                        It creates columns to indicate the number of
                        days between the current table and a target
                        cohort
addCohortIntersectField
                        It creates a column with the field of a desired
                        intersection
addCohortIntersectFlag
                        It creates columns to indicate the presence of
                        cohorts
addCohortName           Add cohort name for each cohort_definition_id
addConceptIntersectCount
                        It creates column to indicate the count overlap
                        information between a table and a concept
addConceptIntersectDate
                        It creates column to indicate the date overlap
                        information between a table and a concept
addConceptIntersectDays
                        It creates column to indicate the days of
                        difference from an index date to a concept
addConceptIntersectField
                        It adds a custom column (field) from the
                        intersection with a certain table subsetted by
                        concept id. In general it is used to add the
                        first value of a certain measurement.
addConceptIntersectFlag
                        It creates column to indicate the flag overlap
                        information between a table and a concept
addConceptName          Add concept name for each concept_id
addDateOfBirth          Add a column with the individual birth date
addDateOfBirthQuery     Query to add a column with the individual birth
                        date
addDeathDate            Add date of death for individuals. Only death
                        within the same observation period than
                        'indexDate' will be observed.
addDeathDays            Add days to death for individuals. Only death
                        within the same observation period than
                        'indexDate' will be observed.
addDeathFlag            Add flag for death for individuals. Only death
                        within the same observation period than
                        'indexDate' will be observed.
addDemographics         Compute demographic characteristics at a
                        certain date
addDemographicsQuery    Query to add demographic characteristics at a
                        certain date
addFutureObservation    Compute the number of days till the end of the
                        observation period at a certain date
addFutureObservationQuery
                        Query to add the number of days till the end of
                        the observation period at a certain date
addInObservation        Indicate if a certain record is within the
                        observation period
addInObservationQuery   Query to add a new column to indicate if a
                        certain record is within the observation period
addObservationPeriodId
                        Add the ordinal number of the observation
                        period associated that a given date is in.
addObservationPeriodIdQuery
                        Add the ordinal number of the observation
                        period associated that a given date is in.
                        Result is not computed, only query is added.
addPriorObservation     Compute the number of days of prior observation
                        in the current observation period at a certain
                        date
addPriorObservationQuery
                        Query to add the number of days of prior
                        observation in the current observation period
                        at a certain date
addSex                  Compute the sex of the individuals
addSexQuery             Query to add the sex of the individuals
addTableIntersectCount
                        Compute number of intersect with an omop table.
addTableIntersectDate   Compute date of intersect with an omop table.
addTableIntersectDays   Compute time to intersect with an omop table.
addTableIntersectField
                        Intersecting the cohort with columns of an OMOP
                        table of user's choice. It will add an extra
                        column to the cohort, indicating the
                        intersected entries with the target columns in
                        a window of the user's choice.
addTableIntersectFlag   Compute a flag intersect with an omop table.
availableEstimates      Show the available estimates that can be used
                        for the different variable_type supported.
benchmarkPatientProfiles
                        Benchmark intersections and demographics
                        functions for a certain source (cdm).
endDateColumn           Get the name of the end date column for a
                        certain table in the cdm
filterCohortId          Filter a cohort according to
                        cohort_definition_id column, the result is not
                        computed into a table. only a query is added.
                        Used usually as internal functions of other
                        packages.
filterInObservation     Filter the rows of a 'cdm_table' to the ones in
                        observation that 'indexDate' is in observation.
mockDisconnect          Deprecated
mockPatientProfiles     It creates a mock database for testing
                        PatientProfiles package
sourceConceptIdColumn   Get the name of the source concept_id column
                        for a certain table in the cdm
standardConceptIdColumn
                        Get the name of the standard concept_id column
                        for a certain table in the cdm
startDateColumn         Get the name of the start date column for a
                        certain table in the cdm
summariseResult         Summarise variables using a set of estimate
                        functions. The output will be a formatted
                        summarised_result object.
variableTypes           Classify the variables between 5 types:
                        "numeric", "categorical", "logical", "date",
                        "integer", or NA.
