Check if an object is of class airdas_dfr, or coerce it if possible.
Usage
as_airdas_dfr(x)
# S3 method for class 'airdas_dfr'
as_airdas_dfr(x)
# S3 method for class 'data.frame'
as_airdas_dfr(x)Details
Currently only data frames can be coerced to an object of class airdas_dfr.
If x does not have column names and classes as specified in airdas_dfr,
then the function returns an error message detailing the first column that does not
meet the airdas_dfr requirements.