X = resize(X,Range)
X [ tseries ] - Input tseries object whose date range will be clipped down.
Range [ numeric ] - New date range to which the input tseries object will be resized; the range can be specified as a [startDate,endDate] vector where -Inf and Inf can be used for the dates.
X [ tseries ] - Output tseries object with its date range clipped down to Range.