data mining and business analytics with r

... shoppers’ previous order histories without ever meeting them in person, and they use the information from previous order histories of their users to develop automatic recommender systems. Credit risk ... poor predictors in new situations as unneeded predictor variables increase the prediction error variance. Furthermore, overparameterized models are of little use if it is difficult to collec...

Ngày tải lên: 05/05/2014, 13:27

... data and its interpretation can be rather complex and requires sensitive judgment. Data can be viewed as source and derived. Source or raw data is the data immediately recorded during measurements ... sleep apnea, a serious and under-diagnosed respiratory disorder. Chapter XVIII Data Mining in Atherosclerosis Risk Factor Data 376 Petr Berka, University of Economics, Pr...

Ngày tải lên: 16/08/2013, 16:24

... slicers to control the way you summarize your data. The Name and Product slicers in Figure 1-5 ensure that total sales for each month are computed for only the rows of data in which Eric and Rachel ... 5 PowerPivot Organizations often have to create reports based on data from different data sources. For example, a bank might have customer data for each branch in a separate spre...

Ngày tải lên: 23/03/2014, 04:20

Ngày tải lên: 01/04/2014, 18:20

... Scorecards 45 Oracle Balanced Scorecard Structure 46 OBSC Architecture 48 Creating an Oracle Balanced Scorecard 48 Data Hubs 49 The Oracle Customer Data Hub 49 How Data Hubs Work 51 Other Oracle ... captured from recent Oracle software versions. You should be able to leverage similar capabilities regardless of your Oracle software version provided you have Oracle Data- base 10g, Oracl...

Ngày tải lên: 07/04/2014, 16:02

... Corporation Business Users Want Answers Credit Risk Credit Risk Credit Risk Credit Risk Retail Retail Retail Retail Finance Finance Finance Finance H R H R H R H R Market Risk Market Risk Market Risk Market ... cohesive interaction strategy based on that metric. • Better Retain profitable customers Understand Attrition drivers, identify risky behaviors and profile, target proacti...

Ngày tải lên: 20/12/2013, 17:15

... lượng 5/12/200915 Biến thời gian 9 • Data • Time • 01/97 • 02/97 • 03/97 • Data for January • Data for February • Data for March • Data • Warehouse 5/12/2009 Giới thiệu • Khai thác dữ liệu là quá trình không tầm ... thêm bia Qui trình khám phá tri thức KDD 5/12/200917 DM là 1 bước quan trong trong qui trình KDD Knowledge 1 2 3 4 5 Data cleaning Data warehouse Task relevant...

Ngày tải lên: 18/01/2013, 16:15

... corruption  Non-disruptively upgrade software and/ or hardware  Do parallel processing  Move and migrate data  Restart the enterprise  Protect remote data sites  Shorten backup and restore ... active production information – Backup window reduced or eliminated – Higher reliability, greater likelihood of full backups  Retrieve from archive or recover from backup – Restore req...

Ngày tải lên: 24/04/2013, 20:04