Database Processing for BIS In OLAP, we are interested in ________ . dimensions only levels only measures only measures and dimensions dimensions only levels only measures only measures and dimensions ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is an unsupervised data mining technique? Regression Analysis only Cluster analysis only Both Regression Analysis and RFM Analysis RFM Analysis only Regression Analysis only Cluster analysis only Both Regression Analysis and RFM Analysis RFM Analysis only 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 four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ . support lift the basic probability confidence support lift the basic probability confidence 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 A BI reporting system does not ________ . deliver information to users on a timely basis use disparate data sources use statistical procedures to predict future events create meaningful information deliver information to users on a timely basis use disparate data sources use statistical procedures to predict future events create meaningful information ANSWER DOWNLOAD EXAMIANS APP