Vehicles: Construction function for class "Vehicles"
Description
Vehicles returns a tranformed object with class "Vehicles" and units
1/h. The type of objects supported are of classes "matrix", "data.frame",
"numeric" and "array". If the object is a matrix it is converted to data.frame.
If the object is "numeric" it is converted to class "units". The function
emis_paved needs veh to be an array, therefore in this case,
veh must be an array in the total fleet at each street and dimensions
total fleet, hours and days
Usage
Vehicles(x, ...)
# S3 method for Vehicles
print(x, ...)
# S3 method for Vehicles
summary(object, ...)
# S3 method for Vehicles
plot(x, ..., message = TRUE)