def freq(self, x=None):
     """ Number of data items per year. If data does not contain
     datetime index, assume daily frequency with 252 trading days a year."""
     x = x or self.r
     return tools.freq(x.index)
Example #2
0
 def freq(self, x=None):
     """ Number of data items per year. If data does not contain
     datetime index, assume daily frequency with 252 trading days a year."""
     x = x or self.r
     return tools.freq(x.index)