search for: plotme

...p a data frame with an attribute which specifies how to plot some of the columns. Up to now we have been doing this by giving the data frame a `formula' attribute, that can be passed to plot.formula. For example dat <- data.frame(x=1:100,y=runif(100),z=100:1) attr(dat, "plotme") <- (z ~ x) ...... ...... if(missing(desiredformula)) desiredformula <- attr(dat, "plotme") plot(desiredformula, data=dat) We just got bitten by the fact that a formula object has a `.Environment' attribute, which may be huge, depending on the env...

Dear all, I am trying to use xyplot inside a function plotme<-function(dataframe) { xyplot(x~y|z,data=dataframe) } x,y,z are members of the data frame. When calling function library(lattice) plotme(dataframe) nothing happens. (R-1.8.0, SuSe Linux 8.1) What am I doing wrong? Many thanks in advance Peter

Hi, I am experiencing something strange, and thought I would ask before reporting a bug. I trimmed it down to a self-contained example, attached as an R file. The purpose of the functions is to save the plots into a ps file and simultaneously plot them on an x11 device, but don't open a new one if there is already one opened (I don't want the repositioning / flicker). When running the

...p://stackoverflow.com/questions/1768197/bounding-ellipse ## ## Parameters ## xy a two-column data frame containing x and y coordinates ## if NULL then a random sample set of 10 points will be generated ## tolerance a tolerance value (default = 0.005) ## plotme FALSE/TRUE. Plots the points and ellipse. Default TRUE. ## max.iter The maximum number of iterations. If the script tries this ## number of iterations but still can't get to the tolerance ## value, it displays an error message and returns NULL ## shif...

...8197/bounding-ellipse > ## > ## Parameters > ## xy a two-column data frame containing x and y coordinates > ## if NULL then a random sample set of 10 points will be > generated > ## tolerance a tolerance value (default = 0.005) > ## plotme FALSE/TRUE. Plots the points and ellipse. Default TRUE. > ## max.iter The maximum number of iterations. If the script tries this > ## number of iterations but still can't get to the tolerance > ## value, it displays an error message and returns...