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...ed my curve on my data by guessing the parameters' values ("by hand"), and wrote them. Then, I ajusted my model only with two parameters (whereas the others were fixed with previously found values, I did it the same way for all parameters. Finally, I got 8 fitted values that I enventually embedded in my nls() function, like above, yet R talled me: "Error in nlsModel(formula, mf, start) : singular gradient matrix at initial parameter estimates" should I use optim() or optimize()? How could I perform it? Thanks for help Guillaume Storchi

...as the following command : file_table[[2]]$MES.liqueur.mixte.autosurveillance<- 1000*file_table[[2]]$MES.liqueur.mixte.autosurveillance works fine, even when sourced ... My colnames are make.names() output, and I am wondering how to set up things to allow "é" in sourced commands (or enventually to transform "é" in "e" with mae.names). Does any body know how ? Thanks, and sincerely yours, Pascal Boisson [[alternative HTML version deleted]]

...ke all the file paths can, for example, and that's very important to me. I like my binaries portable. smb.conf.5 has a basic problem that really hindered my being able to figure it out: It alternates somewhat randomly between the words "section" and "service". I believe I enventually figured out that there's something in SMB called a service and a section is a a group of lines in the file that define one. So a sentence like, "Sections are either file share services ... or printable services ..." really doesn't make sense. It ought to read, "A sectio...