def __init__(self,id_meter, ini, end, id_meter_data_collection = None, insert=False):
if(id_meter_data_collection is not None):
self.__id_meter_data_collection = id_meter_data_collection
self.__id_meter = id_meter
if(insert):
self.insert()
r = Raw_data()
v = []
d = []
for item in r.get_interval(ini,end,id_meter):
v.append(item.kwh)
d.append(item.date)
self.__measurements = np.array(v)
self.__dates = d
