
Determine the country of all dates in a c14_date_list from their coordinates
Source:R/c14_date_list_country_attribution.R
country_attribution.Rd
c14bazAAR::determine_country_by_coordinate()
adds the column
country_coord with standardized country attribution based on the coordinate
information for the dates.
Due to the inconsistencies in the country column in many c14 source databases
it's often necessary to rely on the coordinate position (lat & lon)
for country attribution information. Unfortunately not all source databases store
coordinates.
Usage
determine_country_by_coordinate(x, suppress_spatial_warnings = TRUE)
# S3 method for default
determine_country_by_coordinate(x, suppress_spatial_warnings = TRUE)
# S3 method for c14_date_list
determine_country_by_coordinate(x, suppress_spatial_warnings = TRUE)
Arguments
- x
an object of class c14_date_list
- suppress_spatial_warnings
suppress some spatial data messages and warnings
Examples
library(magrittr)
example_c14_date_list %>%
determine_country_by_coordinate()
#> Determining country by coordinates...
#> Radiocarbon date list
#> dates: 9
#> sites: 4
#> countries: 5
#> uncalBP: 9000 ― 1000
#>
#> # A data frame: 9 × 20
#> sourc…¹ method labnr c14age c14std c13val site sitet…² feature period culture
#> <chr> <chr> <chr> <int> <int> <dbl> <chr> <chr> <chr> <chr> <chr>
#> 1 A Conv lab-1 1000 20 -15 Site… Burial… Grave 1 NA Fibula…
#> 2 A Conv lab-2 2000 30 -20 Site… NA Grave 2 Bronz… Burial…
#> 3 A AMS lab-3 3000 40 -25 Site… settle… NA Bronz… Burial…
#> 4 B NA lab-4 4000 50 -15 Site… settle… House 5 Late … NA
#> 5 B AMS lab-5 5000 50 -20 Site… settle… NA NA Potter…
#> 6 B AMS lab-6 6000 60 -25 Site… settle… Oven 4 Early… Potter…
#> 7 C AMS lab-7 7000 70 -15 Site… Camp Hut 2 Mesol… Stone …
#> 8 C AMS lab-8 8000 80 -20 Site… Camp Hut 2 Mesol… Stone …
#> 9 C AMS lab-9 9000 90 -25 Site… Camp Hut 3 Mesol… Stone …
#> # … with 9 more variables: material <chr>, species <chr>, region <chr>,
#> # country <chr>, country_coord <chr>, lat <dbl>, lon <dbl>, shortref <chr>,
#> # comment <chr>, and abbreviated variable names ¹sourcedb, ²sitetype