The increasing awareness of data mining technology, along with the attendant increase in the capturing, warehousing, and utilization of historical data to support evidence-based decision making, is leading many organizations to recognize that the effective use of data is the key element in the...

In this paper, we develop a decision-theoretic frameworkfor evaluating data mining systems, which employ classification methods, in terms of their utility in decision-making. The decision-theoretic model provides an economic perspective on the value of â extracted knowledge,â in terms of its...

This thesis addresses three major issues in data mining regarding feature subset selection in large dimensionality domains, plausible reconstruction of incomplete data in cross-sectional applications, and forecasting univariate time series. For the automated selection of an optimal subset of...

This project was divided into three parts. By storing a large data set in the database system, the data can be efficiently queried to analyze the customer base with reference to size and density, distribution, and vital statistics. First, the current customer portfolio was profiled in terms of...

Post print version of article may differ from published version. The definitive version is available through National Academy of Sciences at DOI: 10.3141/2156-09

The vast majority of the literature related to the empirical estimation of retention models includes a discussion of the theoretical retention framework established by Bean, Braxton, Tinto, Pascarella, Terenzini and others (see Bean, 1980; Bean, 2000; Braxton, 2000; Braxton et al, 2004; Chapman and Pascarella,...

In den letzten Jahren haben Anzahl und Umfang verfuegbarer Datensaetze stark zugenommen, wodurch die Entwicklung von Methoden zur Entdeckung von Wissens in den Daten zu einer grossen Herausforderung geworden ist. Waehrend dabei sonst Effizienzfragen im Vordergrund standen, wurde in juengerer...

Die Rolle und Wahrnehmung des World Wide Web in seinen unterschiedlichen Nutzungskontexten ändert sich zunehmend – von einem frühen Fokus auf reine Web-Interaktion mit Kunden, Informationssuchern und anderen Nutzern hin zum Web als eine Komponente in einer mehrkanaligen Informations- und...

This thesis paper presents a case study of customer analysis with the purpose of to developing a marketing strategy for the statistical software XploRe. The customers analysed include the users, who downloaded XploRe free trial version through web site and the actual customers, who bought...

The problem: Much of finance theory is based on the efficient market hypothesis. According to this hypothesis, the prices of financial assets, such as stocks, incorporate all information that may affect their future performance. However, the translation of publicly available information into...