Novosibirsk: NSU, 1996. 53 s. Methodical manual for students of II-III courses of the Faculty of Economics of NSU . Econometrics I: regression analysis. The course of Econometrics I consists of two parts: regression analysis and time series. This manual is intended for the 1st part of the course, which is studied in the IV semester . The manual includes 7 sections:Descriptive statistics. Accidental measurement errors. Linear Regression Algebra . Basic model of linear regression. Heteroscedasticity and autocorrelation of errors. Factor measurement errors and dummy variables. Estimation of parameters of systems of equations. Each section opens with a brief overview of the theoretical material, followed by theoretical questions and tasks dealt with in lectures and seminars, followed by a set of tasks and exercises that are solved in practical exercises and independently. Each section ends with a list of references. The theoretical part of the manual is prepared on the basis of the materials of the lecture course read in 1992-96. , the practical part is largely built on the results of the TASIS-TEMPUS program in 1995-96.