Conference ”Computer Data Analysis and Modeling: Complex Stochastic Data and Systems” organized by the Belarusian State University and held in September 2007 in Minsk. Papers are reviewed by qualified researchers from Belarus, Russia, Austria, Great Britain, Germany, Lithuania. The papers are devoted to the topical problems: robust and nonparametric data analysis; statistical analysis of time series and forecasting; multivariate data analysis; design of experiments; probability and statistical analysis of discrete data; econometric analysis and modeling; survey analysis and official statistics; computer intensive methods, algorithms and software; computer data analysis in applications. For specialists who work in the fields of mathematical statistics and its applications, computer data analysis, statistical modeling and statistical software development.