def isconsistent(self):
'''Check if the timeseries is consistent'''
for dt1,dt0 in laggeddates(self):
if dt1 <= dt0:
return False
return True
def isconsistent(self):
'''Check if the timeseries is consistent'''
for dt1, dt0 in laggeddates(self):
if dt1 <= dt0:
return False
return True
def frequency(self):
freq = 0;
for d1,d0 in laggeddates(self):
freq += days(d1,d0)
return freq/(len(self)-1)
