[R] Anova F-Test

[CrazyJoe]

Basically, i have 4 tests and 1 control. 

For example.

Tester 
Test1 Test2  Test3  Test4   
20       25      15        10       
30       45      10         15
..         ..         ..          .. 
..         ..         ..          ..
15       23       13        45 


The inference is at alpha=0.05. they are all independent. I am trying to
find if they differ or the same. 

Do i use the following method.

Step 1. I create matrix using data.frame.
for example test1<-c(20,30..etc)

Step2. is this correct? or do i use aov()..
anova(lm(dependent~independent*independent, data=name) this is what i am
confuse.   

I think i did something wrong. I need to find the correct F statistic test. 

any help. 

thanks.

thanks. 
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