options
ps=60 ls=80 pageno=1 formdlim='_';data
seed;/*[ABC]*/
proc
glm;/*[AB][AC][BC]*/
proc glm;/*[AB][AC]*/
proc
glm;/*[AB][BC]*/
proc
glm;/*[AC][BC]*/
proc
glm;/*[AB][C]*/
proc
glm;/*[AC][B]*/
proc
glm;/*[BC][A]*/
proc
glm;/*[A][B][C]*/
proc
glm;/*[AB][C]: further analysis*/
/* comparing the levels of legume (Factor C) */
proc
glm;/*[AB][C]: further analysis*/
/* looking at the interaction between legume and soil */
/* remember that SAS alphabetises the levels of soil; clay is first. */
proc
glm;estimate
'alf_red for loam' legume -1 1 0 legume*soil 0 -1 0 0 1 0 0 0 0;estimate
'alf_red for sand' legume -1 1 0 legume*soil 0 0 -1 0 0 1 0 0 0;