[R] Cross-over Data with Kenward-Roger correction
peter dalgaard
pdalgd at gmail.com
Wed Jun 10 12:33:34 CEST 2015
On 08 Jun 2015, at 22:59 , Ben Bolker <bbolker at 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
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Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com
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