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...R-intro and use it in small portions before you fall asleep. In few days you will become a quite experienced user. Regards Petr petr.pikal at precheza.cz > Anyway, I ended up using lm. It worked fine after some time spent on > choosing the independent variable. > I ran some tests for heteroschedasticity, autocorrelation, normal > distribbution of residuals and everything came out fine. > Now the next step is clustering using the coefficients of the regression model. > I have found plenty of documentation on regression analysis in the > "contributed" section. Some go ove...