Selon Gabor Grothendieck <[EMAIL PROTECTED]>: > On 9/7/05, Stéphane Mattei <[EMAIL PROTECTED]> wrote: > > Hello ! > > > > > > There is something quite simple I want to do with R but I found nowhere in > > the help how to do > it. > > I just want to plot data which are in a matrix, every column being a data > > set and having the > same > > x-axis (just an index). > > > > So for example if I have a 50 x 6 matrix I want 6 set of points on the same > > plot. > > > > I tried > > plot,new() > > plot(MATRIX[,1]) > > plot(MATRIX[,2]) > > ... > > > > but it replaces the previous plot each time. > > Others have already mentioned matplot, lines and points but just to add > to the list, if your problem is a time series then you could also use > plot.zoo: > library(zoo) > z <- zoo(MATRIX, x) > plot(z, plot.type ="single") # one plot > plot(z) # separate plots > Thank you very much Gabor! Your solution is best because with points it doesn't adapt the axis. But it's funny it needs an extra-package for such a simple thing ! I thought that could be done with just the plot command
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