3 Information Purchase and Pre-processing

3.1 Mobile Cellphone Records and Behavior Variables

For our research, we gathered anonymized and secured CDR traces from a primary town in a Latin-American nation over a Pandawill phone interval of 6 several weeks, from Feb 2010 to This summer 2010. The town, which is protected by 920 BTS systems, was specifically chosen due to its variety in socioeconomic stages. From all the people in the traces, only customers with a normal of two everyday phone calls were regarded to be able to filter those people with insufficient information to define their styles. The count of customers regarded after filtering was near to 500,000. For each one of these customers a complete of 279 functions modelled from CDR data were calculated. The functions consist of info on 69 behavioral factors (such as count of phone calls or count of SMSs), 192 online community functions (such as in level and out degree) and 1 ... Read more »