?merge --
********************************* Hans Gardfjell Ecology and Environmental Science Umeå University 90187 Umeå, Sweden email: [EMAIL PROTECTED] phone: +46 907865267 mobile: +46 705984464 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html