1
Q
What are the techniques in data mining?
A
- Descriptive
- Diagnostic
- Predictive
- Prescriptive
2
Q
What are the characteristics of descriptive?
A
- Used clustering and association rule mining techniques
- Summarises past data to identify patterns
3
Q
When will descriptive technique be used?
A
- Used when understanding historical performance
- Used when writing reports
4
Q
What are the benefits of descriptive?
A
- Summaries what the data shows
- Provide a foundation for further analysis
- Easy interpretation
5
Q
What are the limitations of descriptive?
A
- Cannot identify why it happens
- Potential oversimplification of complex data
6
Q
What are the characteristics of diagnostic?
A
- Identify why something happened
- Explains the reasons being past outcomes
- Utilises statical analysis and data visualisation
7
Q
When will diagnostic technique be used?
A
- Used in healthcare when referring to the identification of an illness
8
Q
What are the benefits of diagnostic?
A
- Provide deeper insight and explanations
- Enchanted understanding of business process
9
Q
What are the limitations of diagnostic?
A
- May not always be accurate due to tis quality and completeness
- Can only based on the data provided
- Events may have multiple causes
10
Q
What are the characteristics of predictive?
A
- Forecast future trends based on historical data
- Incorporates various algorithms and machine learning techniques
- Common use in sales forecasting and risk assessment
11
Q
When will predictive technique be used?
A
- Use when you want to identify what could happen, so you could prepare
12
Q
What are the benefits of predictive?
A
- Uses historical data to predict
- Informed decision-making and proactive strategies
13
Q
What are the limitations of predictive?
A
- Prediction may be inaccurate due to changing conditions
14
Q
What are the characteristics of prescriptive?
A
- Recommends action based on data insights
- Uses optimisation and simulation techniques
- Common in logistics, finance, and healthcare
15
Q
When will prescriptive technique be used?
A
- Use when you want to know the next steps you should take for preparation of an event
16
Q
What are the benefits of prescriptive?
A
- Can provide a series of steps to follow
- Improved operational efficiency
- Improved resource allocation
17
Q
What are the limitations of prescriptive?
A
- Decision relies on prediction accuracy
- Might arise from complex models and assumptions
