Hill0093, On Feb 14, 2008, at 5:43 PM, hill0093 wrote:
> PROBLEM ONE > In my way of using R in print and plots, > R severely ignores formatting requests for numbers. > E.g., >> n1=2008021323595999 >> n1 > [1] 2.008021e+15 >> print(n1,digits=16) > [1] 2008021323595999 >> print(n1,digits=18) > [1] 2008021323595999 >> print(n1,digits=15) > [1] 2008021323595999 You are not requesting specific formatting, you are requesting *significant digits* hence the above is as expected. For output formatting, see ?sprintf and ?formatC. > The e+15 form for similar numbers also appears in the tic mark > labels in plots, but with yet other counts of significant digits. > PROBLEM TWO > I need to use a function that I could write, since I have done it in > several other languages, to convert my calendar times of various > lengths into linear time as I read the data. Then I need to use an > inverse function to convert the linear time for the tic mark labels > of plots of the data, and for printouts. > Where do I look to learn how to do this in R? > Time types in R are linear, try using them (see ?DateTimeClasses and ? as.POSIXct). Please post help requests to R-help in the future. Thanks, Simon ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
