Business intelligence and EIS
3 important questions on Business intelligence and EIS
What is the data flow in the BI system?
Data -> Transformation of the data to warehouse -> processing the data into the model, report, graph
Problems suitable for data mining:
- Require knowledge-based decisions
- Have a changing environment
- Have sub-optimal current methods
- Have accessible, sufficient, and relevant data
- Provides high payoff for the right decisions
- Privacy considerations are important if personal data is involved
Major data mining tasks:
- Classification: predicting an item class
- Estimation (regression): predicting a continuous value
- Clustering: finding clusters in data
- Associations: A & B & C occur frequently
- Visualization: to facilitate human discovery
- Summarization: describing a group
- Deviation detection: finding changes
- Link Analysis: finding relationships
- Estimation (regression): predicting a continuous value
- Clustering: finding clusters in data
- Associations: A & B & C occur frequently
- Visualization: to facilitate human discovery
- Summarization: describing a group
- Deviation detection: finding changes
- Link Analysis: finding relationships
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