Stock picking is the field of financial analysis that is of particular interest for many professional investors and researchers. In this study stock picking is implemented via binary classification trees. Optimal tree size is believed to be the crucial factor in forecasting performance of the...

Income is an important correlate for numerous phenomena in the social sciences. But manysurveys collect data with just a single question covering all forms of income. This raisesissues of quality, and these are heightened when individuals are asked about the householdtotal rather than own income...

Functional data analysis (FDA) has become a popular technique in applied statistics.In particular, this methodology has received considerable attention in recent studiesin empirical finance. In this talk we discuss selected topics of functional principalcomponents analysis that are motivated by...

This paper shows how information about payments contained in normal market based data can be used by retailers. A possible strukture of hypotheses explaining consumers' payment behavior is described and a sample hypothesis is created and tested with actual market basket data. Knowledge of this...