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ARCHIVE OF QUESTIONS & ANSWERS FOR DATA ANALYSIS
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Could somebody indicate to me where I can find test reports, case study or research information regarding data mining quality in relation to business intelligence reporting accuracy. I heard there are some reports available that indicate that in practice about 80 percent accuracy can be reached. While BI is used to make business decisions, these experiences make me worry.
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Is there a technique we could use in designing tables to deal with changing history for profit as well as store/region?
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What is the best source of information for populating a geographic hierarchy dimension? There seem to be many services that will place a postal code in the proper city, county and state.
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Are expert systems on the decrease? Ten years ago they seemed to be the next new thing.
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