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frml
2010 Jul 23
1
model.tables call fails with "Error in inherits(object, "formula")"
...nerate dynamic calls to aov().
Here is a minimal example illustrating the problem:
## Example
test <- function(dat) {
frmlb <- "yield ~ block"; # WORKS
aovfit <- aov(as.formula(frmlb), dat);
print(model.tables(aovfit, "means"));
frmlc <- "yield ~ block + Error(N/block)"; # DOES NOT WORK
aovfit <- aov(as.formula(frmlc), dat);
print(model.tables(aovfit, "means"));
}
utils::data(npk, package="MASS");
frmla <- "yield ~ block + Error(N/block)"; # WORKS
aovfit <- a...