On 2012-04-20 12:10, danipaty13 wrote:
Thanks for your answer well, I uploaded a file with my data, hope you can help me to solve my problem since i'm using R for my thesis http://r.789695.n4.nabble.com/file/n4574997/invgrosor.csv invgrosor.csv
Are you sure that's the data you're posting about? Peter Ehlers ______________________________________________ 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.