is_ARPALdf_AQ_mun: Check if a given object belongs to class 'ARPALdf_AQ_mun'
Description
'is_ARPALdf_AQ_mun' checks if the input object belongs to the class 'ARPALdf_AQ_mun'
Usage
is_ARPALdf_AQ_mun(Data)
Value
The function returns 'True' if the object is of class 'ARPALdf_AQ_mun' and it returns
'False' if the object isn't of class 'ARPALdf_AQ_mun'
Arguments
Data
Object to check if the class of a dataframe is 'ARPALdf_AQ_mun', i.e. ARPAL
dataframe for air quality data at municipal level (See 'get_ARPA_Lombardia_AQ_municipal_data'.
command).