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CPS1490 Nehall Ahmed Farouk Mohamed
                  different sectors, by providing the suitable big data analytics that can be used
                  in official statistics. As 52 classifications of big data social media studies by
                  source  and  area  shown  in  figure  (1).  Big  data  helps  NSOs  with  several
                  opportunities  to”  reduce  the  cost  of  statistical  production,  improve  the
                  timeliness and frequency of its offerings and create new or richer statistics that
                  meet emerging statistical data needs.”(S.M. Tam& F. Clarke 2015) also it might
                  be used as regular official statistics.








































                  2.2. Section 2: Big data analytical techniques (predictive analytics)
                     In  order  to  extract  the  required  knowledge  from  big  data,  two  main
                  processes  are  required,  which  are:  data  management  and  data  analytics.
                  Having a deeper look over the data analytical techniques, (Amir Gandomi, and
                  Murtaza Haider 2015) mentioned 5 main big data analytical techniques which
                  are: (text analytics - audio analytics - video analytics - social media analytics -
                  predictive analytics). But the techniques of predictive analytics are the point
                  where  the  paper  needs  to  investigate.  Predictive  analytics  of  big  data  can
                  predict the future upon current and historical data. It creates patterns that
                  consider the features and relations between data. These patterns of predictive
                  analytics have main techniques based on the methodology used or the type


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