search for: chibisi

Hi all, could someone tell me which is the best user-friendly free/open source sql database system to use with R, particularly as a back-end for a data-hungry web page? Thanks in advance. Kind Regards Chibisi [[alternative HTML version deleted]]

Dear all, I am using lapply to generate plots by applying a plot function to a list of dataframes. e.g. lapply(dataSet, FUN = plotFunction) Is there a way to call the list item number inside the plot function so that I can identify each graph? Thanks Chibisi [[alternative HTML version deleted]]

...cified procedure could not be found. (Using Windows XP) The file is in "C:\Program Files\R\R-2.7.0\library\djmrgl\libs\" and I have tried putting this in the PATH variable but it still doesn't make a difference. I would appreciate it if someone could help me on this. Kind Regards Chibisi [[alternative HTML version deleted]]

...xxx" has no particular pattern. Is there a way of reading all the files by specifying a truncated file name e.g. "test_" with some wild card characters, or would I have to laboriously create some vector with the "xxxxxx" names and iterate or lapply() over it? Kind regards Chibisi [[alternative HTML version deleted]]

...I would like to be able to use play3d() to translate the view along a surface, and zoom in and out. All the examples in play3d() function description are of rotations. I would also like to know if there is a method of creating a legend of for the 3d surface using rgl package. Thanks in advance. Chibisi [[alternative HTML version deleted]]

...egend that you get when using the option: drape = TRUE when using the option: shade = TRUE. In addition, I would like to know how to keep the axes while getting rid of the box, I use this: par.box = list(col = NA) to get rid of the box but that also causes the axes to disappear. Kind regards Chibisi [[alternative HTML version deleted]]

..., "XXXXXXXXR", uname, format(Sys.time(), "%H%M%S_%m%d%y")) : object "uname" not found I am the only (administrator) user of the computer. It has a dual core processor, and is not networked. I would be greatful if someone could tell me how to proceed. Kind regards Chibisi [[alternative HTML version deleted]]

Dear R Users, How can I prevent solve.Qp from printing the solution progress ? Thanks in advance, Tolga This email is confidential and subject to important disclaimers and conditions including on offers for the purchase or sale of securities, accuracy and completeness of information, viruses, confidentiality, legal privilege, and legal entity disclaimers, available at

...... dataOut <- lapply(names(dataIn), FUN = function(.name){ anotherplotFun(dataIn[[.name]], numb = .name)} ) Throws up the error ... Error in anotherplotFun(dataIn[[.name]], numb = .name) : promise already under evaluation: recursive default argument reference or earlier problems? Thanks Chibisi [[alternative HTML version deleted]]

...o load bit mapped files into R? Everytime I save a picture as .jpg it loses it's exactness because of some type of interpolation. If not .bmp or .png then please tell me a free program I could use to convert those to the bit mapped file type that R will accept. Thanks in advance Kind Regards Chibisi [[alternative HTML version deleted]]

Dear R-users: I am a new R-user and I have a question about lm function. Here is my data. a<-c(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14) b<-c(1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2) c<-c(2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2) d<-c(2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1)