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Folks, Is there a parameter somewhere in RODBC that enables more columns to be retrieved from an Excel worksheet? # This next bit uses an undocumented call in RODBC z <- odbcConnectExcel("./BBaselinePtQaires_apr2011.xls") BQ <- sqlFetch(z, "BBaselinePtQaires") Gives me: z RODBC[1] And BQ 134 obs. of 59 variables I have all the rows in the worksheet but only the

Wise people, I have a plot of age, vertebral level and depth of the spinal cord from the skin in children that I can interact with in sculpt3d: sculpt3d(Depth[,4],Depth$LevelNo,Depth$Depth,type="s",radius=.3, alpha=.5) decorate3d(axes=FALSE, box=FALSE,xlab="Age", ylab="Level",zlab="Depth") To make it more intelligible I would like to replace the x, y and

Folks, I am having problems with a plot I want to create to give an impression of changes in an ordinal scale measure (1-5) at three time points (0, 14 and 21 days). I can produce a radial plot of bare vectors but getting this to appear on the base plot is not possible as it always seems to end up below the plot area and even outside the plot window. It seems I have not understood

I would be grateful for a bit of help. I am on a 32bit build of Ubuntu LTS 12.04 running R version 2.15.2 (2012-10-26) -- "Trick or Treat" Platform: i686-pc-linux-gnu (32-bit) from within RStudio and from within a terminal (sudo R | install.packages("tiff") ) I have the following compile error: > install.packages("tiff") Installing package(s) into

Folks, I have a data frame with 4861469 rows that contains an ip address xxx.xxx.xxx.xxx as one of the columns. I want to assign a site to each row based on IP ranges. To do this I have a function to split the ip address as character into class A,B,C and D components. It works but is horribly inefficient in terms of speed. I can't quite see how one of the l/s/m/t/apply functions could be