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2004 Apr 29
3
Dummies in R
...1=1 if state1==12¦state2==12 (4) I am interesting in residuals for particular city==12. I have the Dummy for City==12 and regress it on Y-Variable. How could I extract from the output in R the residulas for city==12 (1) to plot this residuals and residuals from other regions in boxplot and (2) to etsimate the confidence interval. Thanks very much in advice, Susan --------------------------------- [[alternative HTML version deleted]]