Convert a DataCollection of time-aggregated values to time rate of change units.
For example, if the collection has an Energy data type in kWh, this method will return a collection with an Power data type in W.
data [Required]
A houry, sub-hourly or daily data collection that can converted to a time rate of change metric. (eg. a data collection of Energy values in kWh).
data_rate
The data collection converted to time rate of changevalues. (eg. a data collection of Energy values in kWh).
