substitute into the formula for the t-statistic and use pt() to get the appropriate tail area.
Roll you own, in other words. Bill Venables http://www.cmis.csiro.au/bill.venables/ -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Angelo Scozzarella Sent: Tuesday, 12 August 2008 2:59 PM To: r-help@r-project.org Subject: [R] T-Test Help Hi, I want to calculate the T-Test from means and sd. How can I do it? Thanks Angelo Scozzarella ______________________________________________ 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. ______________________________________________ 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.
