1. A method of processing digital mobile phone network data for analysis, the method comprising: inputting network data captured from a digital mobile phone network, said network data comprising data for a plurality of communications sessions over said network, said network data including a plurality of session related parameters; inputting query data for one or more queries, a query defining a statistic relating to one or more of said parameters, to be computed from said network data; operating with said query on said captured network data to determine one or more intermediate statistics; storing said one or more intermediate statistics in a data store for analysis; and displaying a result of said query in a Graphical User Interface (GUI), said GUI comprising a map having at least one clickable icon, said icon providing information on a result of said query from said statistic and, when clicked, the GUI providing information on data from which said statistic is computed.
1. A method of processing digital mobile phone network data for analysis, the method comprising: inputting network data captured from a digital mobile phone network, said network data comprising data for a plurality of communications sessions over said network, said network data including a plurality of session related parameters; inputting query data for one or more queries, a query defining a statistic relating to one or more of said parameters, to be computed from said network data; operating with said query on said captured network data to determine one or more intermediate statistics; storing said one or more intermediate statistics in a data store for analysis; and displaying a result of said query in a Graphical User Interface (GUI), said GUI comprising a map having at least one clickable icon, said icon providing information on a result of said query from said statistic and, when clicked, the GUI providing information on data from which said statistic is computed. 5. A method according to claim 1 , wherein said map comprises one or more layers stacked above one another, each of said layers being associated with, and being capable of displaying, a portion of said network data.