ANOVA

Question 1

aov()

Answer 1

conducts an ANOVA

In the aov() function, specify the independent and dependent variable(s) with a formula with the format y ~ x1 + x2 where y is the dependent variable, and x1, x2 … are one (more more) factor independent variables.

Question 2

how are t tests and anovas different?

Answer 2

Both are used for comparing means, but they differ in how many groups they compare and how variance is analyzed.