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...Data mining in excel lecture notes and cases draft december galit shmueli nitin r patel peter c bruce distributed by resampling stats inc n jackson st arlington va usa info xlminer com www contents introduction whois this book for what is where used the origins of rapid growth whyare there so many dierent methods terminology notation road maps to overview process core ideas classication prediction association rules predictive analytics reduction exploration visualization supervised unsupervised learning steps preliminary organization datasets sampling from a database oversampling rare events pre processing cleaning use creation partitions building model an example with linear regression using exercises dimension practical considerations summaries correlation analysis reducing number categories categorical variables i ii principal components breakfast cereals normalizing evaluating performance judging accuracy measures cuto unequal importance classes asymmetric misclassication costs tri...