German-Polish Seminar on Data Analysis and Applications 2017 We invite you to the Fourth German-Polish Seminar on Data Analysis and Applications (following Aachen, Krakow and Dresden seminars) that will take place in Wroclaw, on September 26, 2017 (Tuesday). The seminar will focus on an analysis of models and data that arise from repeated observations to individual ones of individuals, households or firms. It emphasizes mathematical and statistical basis but also demonstrates substantive applications from across the social sciences. More information: gpsdaa2017.ue.wroc.pl