On 08 Jun 2015, at 22:59 , Ben Bolker <bbol...@gmail.com> wrote: > As a statistical point, I don't understand why you can't just > do a paired t-test on these data??
It's a cross-over trial, so you need to account for the period effect. However, a standard way of treating it is by to calculate period differences within subjects and use a t-test (welch or classical) to see if the differ according to sequence (trt1-trt2 or v.v.). -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
