" Exercise 4.4

 Statistical Methods in Biology: Design and Analysis of Experiments and Regression
 by S.J. Welham, S.A. Gezan, S.J. Clark & A. Mead (2014)
 Chapman & Hall/CRC Press, Boca Raton, Florida. ISBN: 978-1-4398-0878-8
 Data from J. Pell, Rothamsted Research
 Version 1, 20/08/2014 "

" Set working directory - change to location of your data file "
\set [workingdirectory='d:/stats4biol/data/']

" Read data from working directory "
FILEREAD [NAME='TRANSMISSION.DAT'; IMETHOD=read] FGROUPS=no,yes,no

" One-way ANOVA "
TREATMENTSTRUCTURE Density
ANOVA [FPROBABILITY=yes; PSE=differences,lsd] Y=LogitP

" Plot of predicted means with LSD, taking into account underlying numerical scale "
FACTOR [MODIFY=yes; LEVELS=!(1,5,10)] IDENTIFIER=Density
AGRAPH [METHOD=lines; PSE=LSD] XFACTOR=Density; YTITLE='LogitP'	

" End of File "