A fable (forecast table) data class (fbl_ts) which is a tsibble-like data
structure for representing forecasts. In extension to the key and index from
the tsibble (tbl_ts) class, a fable (fbl_ts) must also contain a single
distribution column that uses values from the distributional package.
fable(..., response, distribution)Arguments passed to tsibble::tsibble().
The character vector of response variable(s).
The name of the distribution column (can be provided using a bare expression).