John Fox j...@mcmaster.ca 14/07/2010 15:49:21
the development version of the car package on R-Forge, which can be
installed via install.packages(car,
repos=http://R-Forge.R-project.org;
(and which has an argument named center, not location).
Would you consider a plaintive request to
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in a data
frame and correspond to 1 factor plus response. Could
someone please give me an example about how to use the
On Wed, 2010-07-14 at 01:37 -0700, martanair wrote:
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example.
Err, yes it does, several examples in fact.
My data are in a data
frame and
On Wed, 2010-07-14 at 01:37 -0700, martanair wrote:
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in a data
frame and correspond to 1 factor plus response. Could
On Wed, 2010-07-14 at 06:50 -0300, Bernardo Rangel Tura wrote:
On Wed, 2010-07-14 at 01:37 -0700, martanair wrote:
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in a data
frame and correspond to 1 factor plus response. Could
someone please give me an example about how to use the
On 2010-07-14 6:07, martanair wrote:
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in a data
frame and correspond to 1 factor plus response. Could
someone please give me
On Wed, 2010-07-14 at 05:07 -0700, martanair wrote:
I am trying to use Levene's test (of package car), but I do
not understand quite well how to use it. '?levene.test' does
not unfortunately provide any example. My data are in a data
frame and correspond to 1 factor plus response. Could
the value of the F-test is uncorrect.
If I calculate the Levene's Test for Homogeneity of Variance with SPSS I get
F = 5.128 Pr ( F) = 0.033
Why?
what is the exact formula which R calculate Levene's test for two groups?
Thanks
marta
--
View this message in context:
On Wed, 2010-07-14 at 05:47 -0700, martanair wrote:
the value of the F-test is uncorrect.
If I calculate the Levene's Test for Homogeneity of Variance with SPSS I get
F = 5.128 Pr ( F) = 0.033
Why?
what is the exact formula which R calculate Levene's test for two groups?
Thanks
marta
Who
-boun...@r-project.org]
On
Behalf Of martanair
Sent: July-14-10 8:48 AM
To: r-help@r-project.org
Subject: Re: [R] levene.test
the value of the F-test is uncorrect.
If I calculate the Levene's Test for Homogeneity of Variance with SPSS I
get
F = 5.128 Pr ( F) = 0.033
Why?
what
On 2010-07-14 6:47, martanair wrote:
the value of the F-test is uncorrect.
If I calculate the Levene's Test for Homogeneity of Variance with SPSS I get
F = 5.128 Pr ( F) = 0.033
Why?
Why do you assume that SPSS provides the correct value?
what is the exact formula which R calculate
how do I calculate the differences from the mean?
levene.test(filedati$y , filedati$fertilizzante, location=mean)
Is it right?
regards
marta
--
View this message in context:
http://r.789695.n4.nabble.com/levene-test-tp2288632p2288832.html
Sent from the R help mailing list archive at
Dear Marta,
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On
Behalf Of martanair
Sent: July-14-10 10:21 AM
To: r-help@r-project.org
Subject: Re: [R] levene.test
how do I calculate the differences from the mean?
levene.test
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