BATHS: number of bathrooms assigning one point
to every complete bathroom and 0.5 points to
those which do not have bathtub.
CENDIS: distance from the housing to the town
center (in m).
ELEVATOR: dichotomic variable that takes a value
of 1 when the housing has an elevator and 0 otherwise.
GARAGE: number of car spaces in garage.
FLOOR: floor of the building on which the flat is
located.
HOUSE: dichotomic variable that takes a value of
1 if the housing is individual (a house) and 0
otherwise (a flat, studio or apartment).
M2BAL: square meters of the balcony.