When computing NDCG with the second formulation of DCG, the base of the log does not matter, but the base of the log does affect the value of NDCG for the first formulation. Clearly, the base of the log affects the value of DCG in both formulations.
407 and 321. Orlando, FL utilizes an area code overlay in which area codes 321 and 407 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary. In addition to Orlando, FL area code information read more about area codes 321 and 407 details and Florida area codes. Orlando, FL is located in Orange County and observes the Eastern Time Zone. View our Times by Area Code tool.
See also: List of neighborhoods in Orlando, Florida. There are 115 neighborhoods within the city limits of Orlando and many unincorporated communities. Orlando's city limits resemble a checkerboard, with pockets of unincorporated Orange County surrounded by city limits.