Improve argument description of SeriesAggreg
The following description is not clear:
TimeFormat
[character] desired format (i.e. "hourly", "daily", "monthly" or "yearly")
NewTimeFormat
[character] desired format (i.e. "hourly", "daily", "monthly" or "yearly")
It could be replaced by:
TimeFormat
[character] input format (i.e. "hourly", "daily", "monthly" or "yearly")
NewTimeFormat
[character] desired output gformat (i.e. "hourly", "daily", "monthly" or "yearly")