(1) I implemented a new class ArrayTimeSeries which inherits the TimeSeries class and uses numpy.array to store the data internally.
(2) Change the times to _times and __values to _values in TimeSeries class
(3) Change the __repr and str function to accomodate the new ArrayTimeSeries class
(1) I implemented a new class ArrayTimeSeries which inherits the TimeSeries class and uses numpy.array to store the data internally. (2) Change the times to _times and __values to _values in TimeSeries class (3) Change the __repr and str function to accomodate the new ArrayTimeSeries class