Methods
for more details. Method functions can be written to handle specific S Version 3 classes of data. Classes that already have methods for this function include
"lm"
,
"aovlist"
, and
"formula"
.
ssType3(object, ...)
"lm"
,
"aovlist"
, or
"formula"
.
ssType3.formula
for more details.
"ssType3"
.
Kennedy, W.J. and Gentle, J.E. (1980). Statistical Computing. New York: Marcel Dekker.
SAS Institute, Inc. (1978). Tests of Hypotheses in Fixed-Effects Linear Models. SAS Technical Report R-101. Cary, NC: SAS Institute, Inc.
SAS Institute, Inc. (1990). SAS/Stat User's Guide (Fourth Edition). Cary, NC: SAS Institute, Inc.
bakers <- data.frame( Fat = factor(c(1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3)), Surfactant = factor(c( 1, 1, 1, 2, 2, 2, 3, 3, 3, 1, 1, 1, 2, 2, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 3, 3)), Flour = factor(c(1, 2, 3, 1, 3, 4, 2, 3, 4, 2, 3, 4, 2, 4, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 2, 3)), Volume = c(6.7, 4.3, 5.7, 7.1, 5.9, 5.6, 5.5, 6.4, 5.8, 5.9, 7.4, 7.1, 5.6, 6.8, 6.4, 5.1, 6.2, 6.3, 7.1, 5.9, 7.3, 6.6, 8.1, 6.8, 7.5, 9.1)) ssType3(Volume ~ Fat*Surfactant + Flour, data = bakers)