Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Missing values Non-duplicated data Dirty data Non-integrated data Missing values Non-duplicated data Dirty data Non-integrated data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In unsupervised data mining, explanations are created after patterns are found. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ . the basic probability confidence support lift the basic probability confidence support lift ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data warehouse data are usually normalized. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis uses customer's purchasing patterns to ________ . record transactions analyze and rank customers predict future sales using regression techniques perform OLAP record transactions analyze and rank customers predict future sales using regression techniques perform OLAP ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data mining applications are used accomplish which of the following tasks? Do RFM analysis only Process transactions only Do both RFM and what-if analysis Do what-if analysis only Do RFM analysis only Process transactions only Do both RFM and what-if analysis Do what-if analysis only ANSWER DOWNLOAD EXAMIANS APP
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