Re: [R] t-scores and correlation

Adrian and Jorge, Try either rcorr in the Hmisc package or corr.test in the psych package. They both will give you a matrix of correlations as well as the p values of the correlations. Bill At 4:38 PM -0400 7/10/09, Jorge Ivan Velez wrote: Hi Adrian, Using cor.test you need either two

Re: [R] t-scores and correlation

Dear Adrian, See ?cor.test. HTH, Jorge On Fri, Jul 10, 2009 at 4:13 PM, Adrian Johnson oriolebaltim...@gmail.comwrote: 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

Re: [R] t-scores and correlation

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

Re: [R] t-scores and correlation

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,

[R] t-scores and correlation

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 __