In today's era of large-scale data, academic institutions, businesses, and government agencies are increasingly faced with heterogeneous datasets. Consequently, there is a growing need to develop effective methods for extracting meaningful insights from this type of data. Quantile, expectile, and expected shortfall regression methods offer useful…

This research is motivated by an analysis of reading research data. We are interested in modeling the test outcome of ability to fluently recode letters into sounds of kindergarten children aged between 5 and 7. The data showed excessive zero scores (more than 30% of children) on the test. In this dissertation, we carefully examine the models…

The demand that today's schools shall produce better educational outcomes of their pupils is stronger than ever before, especially in front of the background of our globalized, competitive world. Past and current research has supported the hypothesis that the teacher is the most important ingredient in the educational process. As the Detroit…