What are the differences between data mining and OLAP? When would you advise a company to use OLAP?
What will be an ideal response?
Data mining uncovers hidden relationships and is used when you are trying to discover data and new relationships. It is used to answer questions such as: Are there any product sales that are related in time to other product sales?
In contrast, OLAP is used to analyze multiple dimensions of data and is used to find answers to complex, but known, questions, such as: What were sales of a product—broken down by month and geographical region, and how did those sales compare to sales forecasts?
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The concept of "satisficing" is affiliated with which of the following?
A) mixed integer programming B) integer programming C) linear programming D) nonlinear programming E) goal programming
Which of the following statements is FALSE?
A) An investor's preferences will determine only how much to invest in the tangent or efficient portfolio versus the risk-free investment. B) Conservative investors will invest a small amount in the tangent or efficient portfolio, choosing a portfolio on the line near the risk-free investment. C) Only aggressive investors will choose to hold the portfolio of risky assets, the tangent or efficient portfolio. D) Aggressive investors will invest more in the tangent portfolio choosing a portfolio that is near the tangent portfolio or even beyond it by buying stocks on margin.