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Levene Test with R

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Levene Test with R

along zeng
Hi All,
     is there Levene' test in R ? If not ,Could you give me some
advice about Levene test with R?
    Thanks a lot! I am waiting for yours.

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Re: Levene Test with R

Henrique Dallazuanna
Hi,

RSiteSearch("Levene Test", restrict="functions")


--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

On 05/07/07, along zeng <[hidden email]> wrote:

>
> Hi All,
>      is there Levene' test in R ? If not ,Could you give me some
> advice about Levene test with R?
>     Thanks a lot! I am waiting for yours.
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
        [[alternative HTML version deleted]]


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Re: Levene Test with R

Chuck Cleland
In reply to this post by along zeng
along zeng wrote:
> Hi All,
>      is there Levene' test in R ? If not ,Could you give me some
> advice about Levene test with R?
>     Thanks a lot! I am waiting for yours.

  Did you try RSiteSearch("levene", restrict="function"), which points
to a funtion in the car package?

> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

--
Chuck Cleland, Ph.D.
NDRI, Inc.
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894

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and provide commented, minimal, self-contained, reproducible code.
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Re: Levene Test with R

Tomas Goicoa
In reply to this post by along zeng

Hi,

  library(car)
  ?levene.test











At 16:36 5/7/2007, along zeng wrote:

>Hi All,
>      is there Levene' test in R ? If not ,Could you give me some
>advice about Levene test with R?
>     Thanks a lot! I am waiting for yours.
>
>______________________________________________
>[hidden email] mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Re: Levene Test with R

along zeng
I got it!
Thank all of you,Sorry I am a freshman of R.

2007/7/5, Tomas Goicoa <[hidden email]>:

>
> Hi,
>
>   library(car)
>   ?levene.test
>
>
>
>
>
>
>
>
>
>
>
> At 16:36 5/7/2007, along zeng wrote:
> >Hi All,
> >      is there Levene' test in R ? If not ,Could you give me some
> >advice about Levene test with R?
> >     Thanks a lot! I am waiting for yours.
> >
> >______________________________________________
> >[hidden email] mailing list
> >https://stat.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> >and provide commented, minimal, self-contained, reproducible code.
>
>

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Re: Levene Test with R

along zeng
In reply to this post by Chuck Cleland
I got it!
Thank all of you,Sorry I am a freshman of R.

2007/7/5, Chuck Cleland <[hidden email]>:

> along zeng wrote:
> > Hi All,
> >      is there Levene' test in R ? If not ,Could you give me some
> > advice about Levene test with R?
> >     Thanks a lot! I am waiting for yours.
>
>   Did you try RSiteSearch("levene", restrict="function"), which points
> to a funtion in the car package?
>
> > ______________________________________________
> > [hidden email] mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> --
> Chuck Cleland, Ph.D.
> NDRI, Inc.
> 71 West 23rd Street, 8th floor
> New York, NY 10010
> tel: (212) 845-4495 (Tu, Th)
> tel: (732) 512-0171 (M, W, F)
> fax: (917) 438-0894
>
>

______________________________________________
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Re: Levene Test with R

dusadrian
In reply to this post by along zeng
On Thursday 05 July 2007, along zeng wrote:
> Hi All,
>      is there Levene' test in R ? If not ,Could you give me some
> advice about Levene test with R?
>     Thanks a lot! I am waiting for yours.


>From what I found in the archives, Levene is not very well suited for the
homogeneity of variances test, and the recommended ones are:

Ansari-Bradley for two groups (i.e. for t.test)
Fligner-Killeen for three or more groups (i.e. for ANOVA)

hth,
Adrian

--
Adrian Dusa
Romanian Social Data Archive
1, Schitu Magureanu Bd
050025 Bucharest sector 5
Romania
Tel./Fax: +40 21 3126618 \
          +40 21 3120210 / int.101

______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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