crossover {gsse401} | R Documentation |
The crossover
data frame has 13 rows and 4 columns.
data(crossover)
This data frame contains the following columns:
FS
Formoterol first and Salbutamol secondSF
Salbutamol first and Formotemol secondThis data-set gives the results of a crossover trial into the effectiveness of two proprietary medicines used to treat chronic asthma. The medicines are Formoterol (F) and Salbutamol (S). Each patient receives both treatments in sequence, with an intervening "washout" period intended to ensure that the drug received in period 1 has no residual effect during period 2. The resonse is a measure of lung function, peak expiratory flow (PEF), 8 hours after treatment.
Supplied by Prof S. Senn (University College, London, UK).