define_instances {when}

Define instances

Description

Using this function we can define the instances from which the dimension will be generated according to the rest of its defined characteristics.

Usage

define_instances(td, start, end, values)

## S3 method for class 'when'
define_instances(td, start = NULL, end = NULL, values = NULL)

Arguments

td

A when object.

start

A string, start of the period to be included in the dimension.

end

A string, end of the period to be included in the dimension.

values

A vector of string.

Details

We must indicate dates or date components in ISO 8601 format (yyyy-mm-dd). The times in hh:mm:ss format.

Value

A when object.

See Also

Other dimension definition: define_characteristics(), get_attribute_definition_function(), get_day_part(), get_week_date_range(), select_date_levels(), select_day_level(), select_month_level(), select_quarter_level(), select_semester_level(), select_time_level(), select_week_level(), select_year_level(), set_attribute_definition_function(), set_day_part(), when()

Examples

td_1 <- when() |>
  define_instances(start = "2020", end = "2030")

td_1 <- when() |>
  define_instances(start = "2020-01-01", end = "2030-01-01")

td_2 <- when(type = 'time') |>
  define_instances(values = 1:5)