Checks whether a data set (data.frame or tibble) has been assigned panel identifiers in the pmdplyr format. If so, returns those identifiers.

is_pibble(.df, .silent = FALSE)

Arguments

.df

Data frame or tibble

.silent

Set to TRUE to suppress output reporting what the panel identifiers are. Defaults to FALSE

Examples

data(Scorecard) Scorecard <- as_pibble(Scorecard, .i = "unitid", .t = "year") is_pibble(Scorecard)
#> .i = unitid; .t = year; .d = 1.
#> [1] TRUE