Validates a surveillance data frame and returns a typed accidda_data
object that the rest of the pipeline accepts without re-validating.
Arguments
- data
A data frame with target_end_date (Date),
observation (numeric), location (character) and
target (character). An optional as_of (Date) column enables
nowcasting (get_ncast). An existing accidda_data is
returned unchanged.
Value
An accidda_data object:
- data
Validated data frame with coerced types.
- location, target
Single location / target identifier.
- window
Named from / to dates.
- interval
Reporting interval in days (7 = weekly).
- history
TRUE if revision history (as_of) is present.
Examples
if (FALSE) { # \dontrun{
x <- get_data("covid", "ny") |> check_data()
my_x <- read.csv("my_data.csv") |> check_data()
} # }
