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Generate a unique haul id

dr_add_id.Rd

This function generates a haul ID by concatenating fields in the DATRAS tables. The generated ID is stored in a new variable .id. The input must contain the columns: Survey, Year, Quarter, Country, Platform, Gear, StationName, HaulNumber. If any of these columns are missing, an error will be raised.

Usage

dr_add_id(d, base = "new")

Arguments

d

A DATRAS table, one of HH, HL, or CA.

base

Vector, either "new" (default) or "old"

Value

A table (d) with an additional variable .id

Examples

# Example with a simulated DATRAS table
example_data <- data.frame(
  Survey = "Surv1",
  Year = 2026,
  Quarter = 1,
  Country = "Country1",
  Platform = "Platform1",
  Gear = "Gear1",
  StationName = "StationA",
  HaulNumber = 123
)
example_data |> dr_add_id()
#>   Survey Year Quarter  Country  Platform  Gear StationName HaulNumber
#> 1  Surv1 2026       1 Country1 Platform1 Gear1    StationA        123
#>                                                  .id
#> 1 Surv1:2026:1:Country1:Platform1:Gear1:StationA:123