Hi Adrian, Using cor.test you need either two variables or a formula as stated in ?cor.test :-)
Take a look at http://www.nabble.com/Re:-applying-cor.test-to-a-(m,-n)-matrix---SUMMARY-to17150239.html#a17150239 for different alternatives to do what you asked for. HTH, Jorge On Fri, Jul 10, 2009 at 4:25 PM, Adrian Johnson <oriolebaltim...@gmail.com>wrote: > Thank you Jorge. > > I tried it, i have the following error. honestly I dont understand the > error. could you help please. > thank you. > > > cor.test(t(longley),method='pearson') > Error in cor.test.default(t(longley), method = "pearson") : > element 1 is empty; > the part of the args list of 'length' being evaluated was: > (y) > > > > > > On Fri, Jul 10, 2009 at 4:22 PM, Jorge Ivan > Velez<jorgeivanve...@gmail.com> wrote: > > Dear Adrian, > > See ?cor.test. > > HTH, > > > > Jorge > > > > > > On Fri, Jul 10, 2009 at 4:13 PM, Adrian Johnson < > oriolebaltim...@gmail.com> > > wrote: > >> > >> Hi I have a matrix with samples on columns and variables and their > >> values on rows. > >> I want to calculate correlation (pearson) between a variable and > >> others in rows and obtain t-scores for the variables. > >> how can i do it. > >> thank you. > >> Ad > >> > >> ______________________________________________ > >> 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. > > > > > [[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.