Dating information

Contains dating information linked to each entity. These dates were used (or ignored, see the notes column) to create the age models. Represents the date_info table in the database.

date_info

Format

A data frame (tibble object) with 10179 rows and 13 variables:

ID_ENTITY

Unsigned integer: Unique identifier for the entity (as in the entity table)

ID_DATE_INFO

Unsigned integer: Unique identifier for each dating record

date_type

Text:

depth

Double:

thickness

Double:

lab_num

Text:

age_c14

Integer:

age_calib

Integer:

error

Integer:

material_dated

Text:

age_used

Text:

reason_age_not_used

Text:

notes

Text:

Examples

date_info_tb <- special.epd::date_info
head(date_info)
#> # A tibble: 6 × 13
#>   ID_ENTITY ID_DATE_INFO date_type     depth thickness lab_num age_c14 age_calib
#>       <int>        <int> <chr>         <dbl>     <dbl> <chr>     <dbl>     <dbl>
#> 1        64            1 Radiocarbon …  4.75        NA KI-2133     970        NA
#> 2        64            2 Radiocarbon …  9.77        NA KI-2146    1650        NA
#> 3       618            3 Radiocarbon …  3.9         30 GrN-68…    6520        NA
#> 4       618            4 Radiocarbon …  3.9         30 GrN-68…   11100        NA
#> 5       618            5 Radiocarbon …  5.9         30 GrN-68…   20130        NA
#> 6       618            6 Radiocarbon …  5.9         30 GrN-68…   23320        NA
#> # … with 5 more variables: error <dbl>, material_dated <chr>, age_used <chr>,
#> #   reason_age_not_used <chr>, notes <chr>