def ydiffs(self):
return tslib.unique_deltas(self.fields['Y'].astype('i8'))
def deltas_asi8(self):
return tslib.unique_deltas(self.index.asi8)
def mdiffs(self):
nmonths = self.fields['Y'] * 12 + self.fields['M']
return tslib.unique_deltas(nmonths.astype('i8'))
def deltas(self):
return tslib.unique_deltas(self.values)
