Load lubridate

app.R

@@ -6,6 +6,7 @@ library(sp)
 library(rgdal)
 library(plotly)
 library(stringr)
+library(lubridate)
 
 # Lecture fichier de GHM ----
 read_csv("ghm.csv", col_types = cols(IPP = col_character())) %>%