return a Year column containing the earliest year from the available 'date' fields.

return a Year column containing the earliest year from the available 'date' fields.

Usage

extract_earliest_year(PDD_metadata_table)

Arguments

PDD_metadata_table

an ncbi pathogen detection metadata table

Value

returns the a tibble with a Year column,

Examples

extract_earliest_year(klebsiella_example_dat)
#> Warning: There was 1 warning in `dplyr::mutate()`.
#> ℹ In argument: `year = base::as.numeric(...)`.
#> Caused by warning:
#> ! NAs introduced by coercion
#> # A tibble: 200 × 2
#>    target_acc      Year
#>    <chr>          <dbl>
#>  1 PDT000030652.1  2013
#>  2 PDT000031665.1  2013
#>  3 PDT000031688.1  2013
#>  4 PDT000031691.1  2013
#>  5 PDT000061807.1  2014
#>  6 PDT000065089.4  2014
#>  7 PDT000077413.3  2015
#>  8 PDT000086702.1  2014
#>  9 PDT000128121.2  2015
#> 10 PDT000130459.2  2011
#> # ℹ 190 more rows