is.frbe: Test whether x is a valid object of the frbe class
Description
Test whether x has a valid format for the objects of the frbe class.Value
- TRUE if
x is a valid frbe object and FALSE otherwise.
Details
This function tests wheter x inherits from frbe i.e. whether it is a list
with the following elements: forecasts data frame, features data frame,
weights vector, and mean vector.