# users would benefit from a warning about the behavior in the
# groups.unbalanced case below. A propogation of difference is the variance
# calculation is leading to an apparently significant difference in
# means, even though the numeric values are all identical. Obviously upon
# inspection the difference in means is meaningless, but users might be warned
# if all of the input data is identical
xx <- rep(2.10,80)
groups.balanced <- as.factor(c(rep("one",40),rep("two",40)))
groups.unbalanced <- as.factor(c(rep("one",44),rep("two",36)))
t.test(xx ~ groups.balanced)
t.test(xx ~ groups.unbalanced)
<<insert bug report here>>
--please do not edit the information below--
Version:
platform = sparc-sun-solaris2.8
arch = sparc
os = solaris2.8
system = sparc, solaris2.8
status =
major = 1
minor = 9.0
year = 2004
month = 04
day = 12
language = R
Search Path:
.GlobalEnv, package:methods, package:stats, package:graphics, package:utils,
Autoloads, package:base
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