From ?t.test
- my emphasis:
alternative: a character string specifying the alternative hypothesis, must be one of '"two.sided"' (default), '"greater"' or '"less"'. You can specify just the initial letter.
Question
I understand that, the function t.test
provides several statistical values, along with a p-value
. However, I am not sure if this is a one sided, or two sided p-value
.
Could someone tell me which p-value
does it give as output?
Solution
From ?t.test
- my emphasis:
alternative: a character string specifying the alternative hypothesis, must be one of '"two.sided"' (default), '"greater"' or '"less"'. You can specify just the initial letter.