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...ove the grey colour in the legend key that goes with the geom_smooth? In my case it doesn't ease the reading of the legend. http://www.4shared.com/file/125864977/e10644f8/desorb.html Cordialement / Regards ------------------------------------------- Benoit Boulinguiez Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du G?n?ral Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/

...e the filling of the squares used to represent the colour legend in a bar plot with ggplot? in this example, fillings are raven black, I'd like them white. ggplot(diamonds, aes(clarity, colour = cut)) + geom_bar() Regards -- ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du G?n?ral Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/

...n data called NC60.DATA I get an error. #yo(NC60.DATA) Erreur dans eval(expr, envir, enclos) : objet "Xdata" not found The object Xdata isn't found. Why? Is that possible to debug a function with R? Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...t[[i]])) } For some regressions the confidence interval is not estimated because of a singular gradient result. Then it stops the loop. Is that possible to continue the loop after an error returned by confint? Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...*x^n)/(1+b*x^p) where a,b,n and p are known parameters. I guess it's possible and easy to add this layer with ggplot, somehow I didn't find the right function. Any help would be warmly appreciated. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...lack",0.4) ,width=1) + geom_line(data=NC60.Res4.curve ,aes(x,y) ,size=1 ,colour=alpha("black",0.5)) + xlab(C[e]~(mmol/m^3)) + ylab(q[e]~(mmol/m^3)) print(NC60.iso.graph) dev.off() Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...) + scale_x_continuous(limits=c(0,1),minor_breaks = seq(0,1,0.1)) + scale_y_continuous(limits=c(0,1000)) + opts(panel.grid.minor = theme_line(colour = "grey94")) print(ads.graph) dev.off() Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...,xlab=expression(U[0]~(Nm/s)) ,ylab=expression(Delta~P~(Pa/m)) ,col=2 ,pch=16 ,cex=1.5) I just need to know how to avoid the use of a space (~) between the greek letter (Delta) and the rest of the text. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...rid()) how to get lines at x = 2 and 5 on the graph? Of course the option "nx" in grid() is not valid, as it does not align the grid lines with the ticks in a log scale... Thanks for giving a hand. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

....0 a.1 a.2 a.3 a.4 0.02408 9.81452 5.54269 -2.24657 0.36737 residual sum-of-squares: 5.843 Number of iterations to convergence: 2 Achieved convergence tolerance: 1.378e-06 Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...9036 60.411239 59.767086 To realize the data frame I've tried this for (i in 1:1000) { foo<-list(c(foo[],data.frame(Ce=DATA1.x[,i],Qe=DATA1.y[,i]))) } but the program craches when I want to see foo. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

Hi, Quite simple question I guess. Where could we specify the size of the text (axis,legend) for a scatter plot graphic made with plot()? Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

Hi all, I'd like to use superscript or subscript in the axis label of a graph. Is that possible in R? For instance in xlab="Ce (mmol/m3)", I'd need the "3" of cubic meter in superscript. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

Hi all, Is that possible to get back to the par() default values easily? I played a bit with par() Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...el with the same data set. I tried with the algorithm="port" with under and upper limits. One of the parameter reaches the limit and the regression stops. How can I succeed with R to make this regression? Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...,lwd=2,col=2) boxplot(xxxxx) title(main=expression("2- residuals distribution")) abline(0,0,lwd=2,col=2) boxplot(xxxxx) title(main=expression("3- residuals distribution")) abline(0,0,lwd=2,col=2) Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...5.57e-11 3.77e-10 1.21e-11 1.94e-10 6.35e-12 8.82e-12 21 37.82417 4.55e-12 5.58e-11 3.76e-10 1.19e-11 1.94e-10 6.29e-12 8.86e-12 22 38.41400 4.57e-12 5.57e-11 3.75e-10 1.20e-11 1.92e-10 6.30e-12 8.80e-12 Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du Général Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 <http://www.ensc-rennes.fr/> http://www.ensc-rennes.fr/ [[alternative HTML version deleted]...

...from the deSolve package. I'm early stuck on the use of the function 'ode' cause I don't get how to define the function 'func' required by 'ode' Any help would be appreciated. Regards/Cordialement ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du G?n?ral Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ <http://www.ensc-rennes.fr/>

...e the unknown paramters and {qm,C} are known parameters Of course I get experimental data sets of measured x as a function of time. If R can help to handle that, which functions have to be used (diff, optim, nls...) Regards/Cordialement ------------- Benoit Boulinguiez Ph.D Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Campus de Beaulieu, 263 Avenue du Général Leclerc 35700 Rennes, France Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/ [[alternative HTML version deleted]]

...30 22.4 THC515 2 0.68 30 22.4 THC515 2 0.69 40 22.4 THC515 2 0.71 40 22.4 THC515 2 0.73 40 22.4 THC515 2 0.75 40 22.4 THC515 2 0.77 40 22.4 THC515 2 0.79 40 22.4 THC515 2 0.81 40 22.4 THC515 2 0.83 40 22.4 THC515 2 0.85 40 22.4 -- ------------- Benoit Boulinguiez Ph.D student Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 "Sciences Chimiques de Rennes" Avenue du G?n?ral Leclerc CS 50837 35708 Rennes CEDEX 7 Tel 33 (0)2 23 23 80 83 Fax 33 (0)2 23 23 81 20 http://www.ensc-rennes.fr/