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Dear all, when I try to install gtkDevice on Mandrake Linux 9.1 (R v. 1.7.1), I get the following comfiguration error (see below). Has anyone else had this problem? Any hints are greatly appreciated. Thank you in advance, Dimitri install.packages("gtkDevice") trying URL `http://cran.r-project.org/src/contrib/PACKAGES' Content type `text/plain; charset=iso-8859-1' length

Hi all, I was unable to obtained a smoothed line using the loess function. I used the following code reported in the examples of R documentation: cars.lo <- loess(dist ~ speed, cars) Then I tried to plot both the data and the smoothed line plot(cars) lines(cars.lo) but what I obtained is simply a broken line joining all the data points. I tried with different spans, but the results did not