Re: [R] empirical null distribution

2008-04-29 Thread Duncan Murdoch
On 29/04/2008 8:09 AM, mad_bassie wrote: I'm using F-distributions :) I allready found some things...I could plot the qqplot as you say and that gives me clear results. Allthough I still want a clear graphic and I 'll explain it as good as I can... I plotted 2 graphics plot(density(rf(1,2,49

Re: [R] empirical null distribution

2008-04-29 Thread mad_bassie
I'm using F-distributions :) I allready found some things...I could plot the qqplot as you say and that gives me clear results. Allthough I still want a clear graphic and I 'll explain it as good as I can... I plotted 2 graphics plot(density(rf(1,2,49))) plot(density(disttest))

Re: [R] empirical null distribution

2008-04-29 Thread Duncan Murdoch
On 29/04/2008 4:13 AM, mad_bassie wrote: It's not really homework :) It's just an a little extra I want to explore. I allready compared the empirical null distribution and the theoritical null distribution by comparing their quantiles. The results are clear... But I just wondered if there isn't a

Re: [R] empirical null distribution

2008-04-29 Thread mad_bassie
It's not really homework :) It's just an a little extra I want to explore. I allready compared the empirical null distribution and the theoritical null distribution by comparing their quantiles. The results are clear... But I just wondered if there isn't any way to make a graph of it...so you don'

Re: [R] empirical null distribution

2008-04-28 Thread David Winsemius
mad_bassie <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]: > > I simulated data for the ANOVA-test where the condition of equal > variances was not accomplished. > I have three groups: > X<-rnorm(50,30,5) > Y<-rnorm(50,30,10) > Z<-rnorm(50,30,5) > (this is just an examplethe variables

[R] empirical null distribution

2008-04-28 Thread mad_bassie
I simulated data for the ANOVA-test where the condition of equal variances was not accomplished. I have three groups: X<-rnorm(50,30,5) Y<-rnorm(50,30,10) Z<-rnorm(50,30,5) (this is just an examplethe variables might still change depending on how clear the results are) Now I want to construc