Alaios <ala...@yahoo.com> writes: > > Hello! > I wouldl ike to ask you if R supports step by step execution. I have written > some nested loops and I would like to check on every step what are the > values > of some variables. Printing all the variables just creates a really big > output > of numbers. > > Could you please give some debugging tutorial that included the > aforementioned > functionalities? >
At your command prompt type: help(browser) Alternatively you can use the debug library: http://cran.r-project.org/web/packages/debug/index.html > |Moreover can you please tell me how I can concatenate variables and strings > so > to print some debugging messages / > "The value of x is " + x + " and the value of y is " +y. > message <- paste("The value of x is ",x," and the value of y is ",y,sep="") print(message) -- aleblanc ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
