Hello again, I have a problem with R. How can I do this summarize the proportion (PRP) of unique species (ELM )for each ua. My data is like this:
uaELMPRP122CMO5122CBR3122CFA1122CMO1122DBR7122DMO2122DBR1 and I want to obtain something like this: uaELMPRP122CMO6122CBR3122CFA1122DBR8122DMO2 Thank you very much! -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]] ______________________________________________ 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.