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Dear Joerg, Thank you for your mail. It was very helpful. Regards, Cristina

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Hi all, In lattice graphs, panels are drawn from left to right and bottom to top. The flag "as.table=TRUE" changes to left to right and top to bottom. Is there any way to change to first top to...

Dear all, I have a SpatialLinesDataFrame with bathymetric lines, built with: cl <- ContourLines2SLDF(contourLines(as.image.SpatialGridDataFrame(prof.grid2["z"]), levels=c(50, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 2000, 3000, 4000))) This object has all...

Dear all, I am trying to map fish densities in different years from a SpatialPointsDataFrame. I managed to change the legend labels using lengendEntries and the their position using key.space, but not the font size. I have looked in...

Dear all I have tried to estimate the confidence intervals for predicted values of a nonlinear model fitted with nls. The function predict gives the predicted values and the lower and upper limits of the prediction, when the class of...

Hi, I am extracting positions data from the marine traffic website. The table has a "Timestamp" column which, in the browser, appears with the format yyyy-mm-dd HH:MM (UTC), e.g. 2017-07-10 14:04 (UTC). When...

Thank you very much. Cristina On 05/05/2011 10:44, Deepayan Sarkar wrote: > On Wed, May 4, 2011 at 9:20 PM, Cristina Silva<csilva at ipimar.pt> wrote: >> Hi all, >> >> In lattice graphs, panels are drawn from left...

I am trying to use the nlme package in R following the book "Mixed-Effects Models in S and S-Plus". I have the latest versions of R (1.6.1) and nlme (3.1-33) for Windows (95 or...

Dear list members, I have a SpatialGridDataFrame with sea depths. I have previously plotted this object using "image" with a grey scale. I have used exactly the same script and now the result is crossed by horizontal white lines. As...

Thanks to all that reply to my post. The best solution that answers entirely to my question and can be used as a general function and not case by case is the one sent by the package author. Many thanks...

Thank you for your e-mail. I'm working in Windows environment and had never used a patched version before. It worked. Regards, Cristina On 23/07/2011 08:45, lancelot wrote: > Update R to the latest patched version. > > R...

Thanks Joona and Bastien for your contribution. In fact, the problem was that I also had a dot in a variable name. After changing this, everything was OK. Regards, Cristina On 21/03/2012 12:05, Bastien.Ferland-Raymond at...

Dear David, Thank you very much. You have solved my problem, not of importing in the right format but the date conversion. It works for me, and if I specify the timezone tz='GMT', I get exactly the same time...

Dear Jeff, I am sorry, I didn't notice that it was not plain text. I hope that it is now in the correct format. I explain the problem again, now with more detais. I am collecting the track positions...