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Business Analytics and Data Intelligence - Answer 1

There are certain factors that define the quality of data as usefulness in accuracy, consistency; completeness etc. data must be qualified to be of usefulness. Thus data must satisfy the intended purpose.

The seven stages of data mining process are as below-

1. Data cleaning- It is the stage of filtering the raw data as using such data can cause confusions. This step carries routine cleaning work as filling the missing data and removes the noisy data.
2. Data Integration- When multiple and heterogeneous sources like database, data cubes and files are combined to analyze, the process then called as data integration. It can help improve the accuracy and speed in the mining process. Data integration can be performed with tools like Mi SQL and Oracle data service integrator.
3. Data Reduction- This technique is used in the process of data analyzing from the data collected. The size a....