Pollen samples

Contains metadata for each pollen sample record in the database, sample table in the database.

sample

Format

A data frame (tibble object) with 103091 rows and 11 variables:

ID_ENTITY

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

ID_SAMPLE

Unsigned integer: Unique identifier for each sample

depth

Text: Average sampling depth, in centimetres

thickness

Text: Sample thickness, in centimetres

chronology_name

Text: Name assigned to the chronology

age_type

Text: Type of dating for the sample

age

Integer: Value dated for the sample

age_younger

Integer: Lower bound for the sample's age

age_older

Integer: Upper bound for the sample's age

count_type

Text: Type of count for the sample

sample_type

Text: Type of sample

Examples

sample_tb <- special.epd::sample
head(sample_tb)
#> # A tibble: 6 × 11
#>   ID_ENTITY ID_SAMPLE depth thickness chronology_name age_type   age age_younger
#>       <int>     <int> <dbl>     <dbl> <chr>           <chr>    <int>       <int>
#> 1        11         1     2        NA Kvavadze        Radioca…     0          NA
#> 2        11         2     5        NA Kvavadze        Radioca…    34          NA
#> 3        11         3     6        NA Kvavadze        Radioca…    45          NA
#> 4        11         4     9        NA Kvavadze        Radioca…    79          NA
#> 5        11         5    15        NA Kvavadze        Radioca…   146          NA
#> 6        11         6    20        NA Kvavadze        Radioca…   202          NA
#> # … with 3 more variables: age_older <int>, count_type <chr>, sample_type <chr>