I want to change te date but it says my input string is too long

[nirgrahamuk]

@floris_e

wind_schoon <- separate(wind, col = 1,
                        into = c("Station", "Date", "Windsnelheid (in 0,1 m/s)"),
                        sep = ";")

after this step please do

dput(head(wind_schoon,10))

and share the results.
This would make a reprex,
reprex