a numeric vector.
NAs
and
Infs are allowed but will be removed.
OPTIONAL ARGUMENTS:
data.x
a data frame in which to interpret the variable named in the
x.
If this is missing, then
x must be a vector.
mu
a single number representing the
difference in means specified by the null hypothesis.
alternative
a character string, one of
"greater",
"less"
or
"two.sided", or just the initial letter of each, indicating
the specification of the alternative hypothesis.
For the one-sample t test,
alternative refers to
the true mean of the parent population in relation to the
hypothesized value
mu.
conf.level
confidence level for the returned confidence interval,
restricted to lie between zero and one.
print.object.p
if
TRUE, the result of the test is printed.
VALUE:
a list of class
"htest".
See the help file for
t.test for details.