Kept compatible with the global.rds prepared before the multi-level option : vars_wave (or vars_filter) is then missing and var_wave is used.
Examples
vars_levels(list(var_wave = "YEAR"),"wave")
#> [1] "YEAR"
Kept compatible with the global.rds prepared before the multi-level option : vars_wave (or vars_filter) is then missing and var_wave is used.
vars_levels(list(var_wave = "YEAR"),"wave")
#> [1] "YEAR"