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120	       Big	Data	Analytics	for	Connected	Vehicles	and	Smart	Cities	                	                        What Are Analytics?	                     121


          improve the performance of a transportation enterprise, process, or delivery of
          service.
               Typically,  the  word  analytic  is  used  interchangeably  with  performance
          management parameters and KPIs. The two are typically used in association
          with performance reporting and measurement. The difference between these
          terms and the term analytic lies in the ability that an analytic provides to go
          beyond reporting and measurement, allowing for insight that can form the basis
          for actionable strategies that will affect performance, rather than just measuring
          it.
               Promoting  smart  city  managers  and  transportation  professionals  from
          spectators to coaches can be achieved through the effective use of analytics.
          This is the added value that is sought from analytics and that drives the desire
          to harness the power of big data and analytics in transportation today. There are
          many new technologies and approaches available in transportation. Combined
          with the more traditional asphalt, concrete, and steel projects, they create value
          and benefits. In order to guide the application of constrained resources into
          these areas, it is necessary to have as full an understanding as possible of the
          effects of prior and future investments. The insight and understanding that can
          be obtained from the appropriate use of analytics will have a significant impact
          on planning, design, delivery, operations, and maintenance of all aspects of
          transportation within a smart city. The nature and characteristics of analytics
          are discussed in this chapter, within the context of a smart city.


          6.5  Why Analytics Are Valuable

          The value of analytics lies in the ability to glean new understandings, to identify
          trends, and to reveal patterns from a big data set. The larger and more varied the
          data in the data set, then the higher the probability of new understandings and
          insights. Analytics also deliver another value in the form of the ability to extract
          information from and unlock the power of big data.
               As the application of analytics to transportation progresses, it can be ex-
          pected that wow and whoops moments will be encountered. A wow moment is
          when the use of analytics reveals a new data relationship, trend, or pattern that
          we did not know about previously. For example, we may find new relationships
          between the level of tolling on toll roads and the volume of traffic on the road.
          At the current time, a simple lookup table that relates toll level to expected
          traffic volume is used. In the future we may also take account of trip purpose,
          weather, and the driver’s perception of alternative routes and modes.
               A whoops moment may be encountered when new insight and under-
          standing reveals deficiencies in the planning or delivery of smart city transpor-
          tation services. This does not need to be the end of the world, but rather the
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