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I get tables with millions of rows. For plotting to a screen-size jpg, obviously just about 1000 points are enough. Instead of feeding plot() the original millions of rows, I'd rather shrink the original dataframe, using some kind of the following interpolation: -- split dataframe into chunks of N rows each, e.g. 1000 rows each -- compute average for each column -- issue one new row

Dear all, (Mac OS X 10.4.11, R 2.6.0) I have a quantitative dataset with a lot of Na?s in it. So many, that it is not possible to delete all rows with NA?s and also not possible, to delete all variables with NA?s. Is there a function for a principal component analysis, that can deal with so many NA?s. Thanks in advance Birgit Birgit Lemcke Institut f?r Systematische Botanik

...kasc, scatter.enfa). Finally, some minor bugs have been corrected. Note that the package now need that the packages ade4 and gpclib are installed. Questions, comments and suggestions are greatly appreciated. Happy testing, Cl?ment Calenge. ====================================== Cl?ment CALENGE LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...ocations located at the same place have to be managed. - The function as.traj now requires at least 2 relocations to return a trajectory - That's all, thanks for reading ! Questions, comments and suggestions are greatly appreciated. Happy testing, Cl??ment Calenge -- Cl??ment CALENGE LBBE - UMR CNRS 5558 - Universit?? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...tores the scores of the resource units in the ENFA. - The function df2kasc now accept objects of class "kasc" with one column. - That's all, thanks for reading ! Questions, comments and suggestions are greatly appreciated. Happy testing, Cl??ment Calenge -- Cl??ment CALENGE LBBE - UMR CNRS 5558 - Universit?? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...ed. It now takes more than 50% less time than the previous version. In addition the "grid" argument of this function, now also allows a list of objects of class "asc" to be passed as grid where the UD should be estimated. Happy testing, Cl?ment Calenge. -- Cl?ment CALENGE LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...kasc, scatter.enfa). Finally, some minor bugs have been corrected. Note that the package now need that the packages ade4 and gpclib are installed. Questions, comments and suggestions are greatly appreciated. Happy testing, Cl?ment Calenge. ====================================== Cl?ment CALENGE LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...ocations located at the same place have to be managed. - The function as.traj now requires at least 2 relocations to return a trajectory - That's all, thanks for reading ! Questions, comments and suggestions are greatly appreciated. Happy testing, Cl??ment Calenge -- Cl??ment CALENGE LBBE - UMR CNRS 5558 - Universit?? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...tores the scores of the resource units in the ENFA. - The function df2kasc now accept objects of class "kasc" with one column. - That's all, thanks for reading ! Questions, comments and suggestions are greatly appreciated. Happy testing, Cl??ment Calenge -- Cl??ment CALENGE LBBE - UMR CNRS 5558 - Universit?? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

...h). Regards, Thibaut. -- ###################################### Thibaut JOMBART CNRS UMR 5558 - Laboratoire de Biom?trie et Biologie Evolutive Universite Lyon 1 43 bd du 11 novembre 1918 69622 Villeurbanne Cedex T?l. : 04.72.43.29.35 Fax : 04.72.43.13.88 jombart at biomserv.univ-lyon1.fr http://lbbe.univ-lyon1.fr/-Jombart-Thibault-.html?lang=en

...ed. It now takes more than 50% less time than the previous version. In addition the "grid" argument of this function, now also allows a list of objects of class "asc" to be passed as grid where the UD should be estimated. Happy testing, Cl?ment Calenge. -- Cl?ment CALENGE LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88 _______________________________________________ R-packages mailing list R-packages at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-packages

Hi everyone, I have a matrix that contains 1000 replicates of a sample of a list of values. I want to group each row (row=replicate) into my defined bin ranges and then calculate the mean and stdev for each of the bin ranges (so I will have 1000 rows but ncol=number of bin ranges). I don't know how to group rows in a matrix matrix according to another vector (which is what I think I need to

Dear R user, I am using Sweave to write my reports with R code. Unlucly my code take a lot of time to run, and I don't want to run it multiple time, if possible, as I am still developping the tools. It seems that a sweave run does not save the enviroment at the end of the process, is there a way to avoid to lunch multiple time the same commands? maybe it could be possible to store chunck of

Hi, I am a new student to R and I was hoping someone could help me with the error message I keep getting when I try to use the nb2listw() function. I have 45 sites and I want to get an autocorrelation value for sites within 1000m of each other. coords<-cbind(EAST,NORTH) coords<-as.matrix(coords) nb1000<-dnearneigh(coords,0,1000,longlat=TRUE) then when I try to run the

Hi the list, I am defining a new class MyClass. Shortly, I will submit a package with it. Before, I would like to know if there is a kind of "non official list" of what method a new S4 object have. More precisely, personnaly, I use 'print', 'summary' and 'plot' a lot. So for my new class, I define these 3 methods. Is there some other method that a R user can

Hi Everyone, I am doing a project based on "Spatially Lagged Predictor Variable Models", I would like to know which package in R would execute this model. Also, I am new to this field of spatial statistics. Any suggestions for a good book on spatial regression analysis would be appreciated. Thanks Again. Cheers Arun -- View this message in context:

...ction atan2 returns an angle equal to 0 radians. I've searched through the help pages, the FAQ and the forum, but I did'nt find any explanation to this result. Does anyone know if this behavior is expected, and why ? Thank you for any clues. Regards, Cl?ment Calenge -- Cl?ment CALENGE LBBE - UMR CNRS 5558 - Universit? Claude Bernard Lyon 1 - FRANCE tel. (+33) 04.72.43.27.57 fax. (+33) 04.72.43.13.88

...> FRANCE \\\ > ( "> > Phone : (+33) 4 72 44 81 11 )( > Fax: (+33) 4 72 43 13 88 // ) > --//""-- > > http://lbbe.univ-lyon1.fr/-Bonenfant-Christophe-.html > ________________________________________________________ > [[alternative HTML version deleted]]

...> FRANCE \\\ > ( "> > Phone : (+33) 4 72 44 81 11 )( > Fax: (+33) 4 72 43 13 88 // ) > --//""-- > > http://lbbe.univ-lyon1.fr/-Bonenfant-Christophe-.html > ________________________________________________________ > [[alternative HTML version deleted]]

...> FRANCE \\\ > ( "> > Phone : (+33) 4 72 44 81 11 )( > Fax: (+33) 4 72 43 13 88 // ) > --//""-- > > http://lbbe.univ-lyon1.fr/-Bonenfant-Christophe-.html > ________________________________________________________ > [[alternative HTML version deleted]]