Problem 3
QA Evaluation phase. In this phase, the analysts evaluate their model effectiveness and determine if the defined objectives achieved.
QB Business/Data Understanding Phase. In this phase, the data will be collected at the first point.
Although the data warehouse is identified as a resource during the Business Understanding Phase, the actual data collection takes place during the Data Understanding Phase.
QC Business Understanding Phase. In this phase, the business objectives are communicated by the VC of Marketing to the data mining consultant, which is to perform data mining for customer relationship management.
QD Evaluation/Deployment/Modeling Phase. In this phase, further changes and improvements are implemented after evaluation of the model. The requirements of a data mining technique used during the Modelling Phase may cause the process to loop back to the Data Preparation Phase, with the goal of improving data quality. The Evaluation Phase determines whether specific improvements or process changes are required to ensure that all important aspects of the business are accounted for.
QE Modeling Phase. In this phase, the analysts are selecting and applying the models to their project.