Find the year of the last approved use of an active substance — last_approved • srppphist

Find the year of the last approved use of an active substance

Usage

last_approved(pattern, lang = c("de", "fr", "it"))

Arguments

pattern: Search pattern for the substance name, passed to grepl.
lang: Should the German names be searched in (default), or the French or the Italian ones?

Value

A tibble containing the matched substance names and the latest occurrence in srppp_active_substances_merged.

Examples

last_approved("Imidacloprid")
#> # A tibble: 1 × 2
#>   substance_de latest
#>   <chr>         <int>
#> 1 Imidacloprid   2022
last_approved("Quin")
#> # A tibble: 3 × 2
#>   substance_de latest
#>   <chr>         <int>
#> 1 Quinmerac      2026
#> 2 Quinoclamine   2021
#> 3 Quinoxyfen     2021