On Oct 6, 2009, at 1:51 PM, Kjetil Halvorsen wrote:
On Sat, Oct 3, 2009 at 2:45 PM, David Winsemius > wrote:
Do you have a citation for that statement? I cannot convince myself
that it
should be true.
OK. that took some time, since I have no nonparametrics book with me,
but it is a fairly
Hola! see below.
On Sat, Oct 3, 2009 at 2:45 PM, David Winsemius wrote:
> Do you have a citation for that statement? I cannot convince myself that it
> should be true.
OK. that took some time, since I have no nonparametrics book with me,
but it is a fairly
standard assumption the friedman.test
Do you have a citation for that statement? I cannot convince myself
that it should be true.
After looking at the CRAN Task View, I would suggest the OP look at
rlm(MASS) or lmrob(robustbase).
--
David
On Oct 2, 2009, at 11:05 AM, Kjetil Halvorsen wrote:
On Fri, Oct 2, 2009 at 8:45 AM, Da
On Fri, Oct 2, 2009 at 8:45 AM, David Winsemius wrote:
> There are multiple routes to "robust" statistics, but the quick answer to
> this question is probably friedman.test
I don't think friedman.test is robust to variance heterogeneity. It is
only robust to
non-normality.
Kjetil
>
> I seem t
There are multiple routes to "robust" statistics, but the quick answer
to this question is probably friedman.test
I seem to remember a CRAN Task View on the area of Robust Statistics.
--
David Winsemius
On Oct 2, 2009, at 3:05 AM, Maike Luhmann wrote:
Dear list members,
I am looking for a
rg]
On
> Behalf Of Maike Luhmann
> Sent: October-02-09 3:05 AM
> To: r-help@r-project.org
> Subject: [R] Robust ANOVA with variance heterogeneity
>
> Dear list members,
>
> I am looking for an alternative function for a two-way ANOVA in the case
of
> variance heteroge
Dear list members,
I am looking for an alternative function for a two-way ANOVA in the case of
variance heterogeneity. For one-way ANOVA, I found oneway.test(), but I
didn't find anything alike for two-way ANOVA. Does anyone have a suggestion?
Thank you!
Maike Luhmann
Freie Universität Berlin
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