[R] Anova Test

[Ben Bolker]

CrazyJoe <keizer_61 <at> hotmail.com> writes:

> 
> I am very new to R. I am trying to perform an Anova Test and see if it
> differs or not.
> 
> Basically, i have 4 tests and 1 control.
> 
> Tester
> Test1 Test2  Test3  Test4  Control
> 20       25      15        10       17
> 

You can't make any inferences with the data you have here.
You need to have multiple observations per treatment!
See the examples for ?lm .