Ffenics wrote: > Hi there I am very new to R so dont know much about the programming > side of thing yet. I've worked out how to input a data matrix, create > distance matrices and print them to an external file but only for one > data matrix at a time. > > I actually have a batch of data matrices for which I want to create > distance matrices for each in turn and then print these distance > matrices to their respective external files. (I'm wanting them > printed as CSV files for processing in excel). > > How easy is it to get R to read in files one at a time from a > directory and do the same thing with all of those files in turn? And > could someone please give me some advice as to how I may go about > achieving this if its possible? It would be much appreciated
This is asked very frequently on this list, please do as the posting guide suggests: Read the FAQs (in particular "How can I save the result of each iteration in a loop into a separate file?"), and search the mailing list archives. You can read ?list.file for your particular problem. Uwe Ligges > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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.
