September 2001
Intermediate to advanced
182 pages
4h 16m
English
Content preview from Mining Your Own Business in Telecoms Using DB2 Intelligent Miner for Data
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54 Mining Your Own Business in Telecoms Using DB2 Intelligent Miner for Data
Calling behavior
You can get the call data from data warehouse or directly from CDR (Call Detail
Record). You should aggregate call data to certain time frame. Here, the average
was used to aggregate six month minutes of usage data. The aggregation time
window can vary according to your data distribution, data availability and
business requirements. You can try possible aggregations of different time
windows for example 1, 3, 6 months, and so forth.
Normalizing the call transaction data can give additional information from data
and the specific mining technique requires data normalization. It will be
discussed in 4.5.2, “Applying the mining techniques” on page 58. ...
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