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2016 Apr 04
0
Test for Homoscedesticity in R Without BP Test
...e white test.
The white test is based on the comparison of the estimated variances of residuals when the model is estimated by OLS under the assumption of homoscedasticity and when the model is estimated by OLS under the assumption of heteroscedastic.
The White test with R
install.packages("bstats")
library(bstats)
white.test(LinearModel)
Hope this helps.
Sacha
________________________________
De : Deepak Singh <sdeepakrhelp at gmail.com>
? : r-help at r-project.org
Envoy? le : Lundi 4 avril 2016 10h40
Objet : [R] Test for Homoscedesticity in R Without BP Test
Respecte...
2016 Apr 04
1
Test for Homoscedesticity in R Without BP Test
...ferent specification by default. However, you can utilize the
function to carry out the White test as illustrated in:
example("CigarettesB", package = "AER")
(Of course, the AER package needs to be installed first.)
> The White test with R
>
> install.packages("bstats")
> library(bstats)
> white.test(LinearModel)
That package is no longer on CRAN as it took the code from bptest()
without crediting its original authors and released it in a package that
conflicted with the original license. Also, the implementation did not
check for potential proble...
2016 Apr 04
4
Test for Homoscedesticity in R Without BP Test
Respected Sir,
I am doing a project on multiple linear model fitting and in that project I
have to test Homoscedesticity of errors I have google for the same and
found bptest for the same but in R version 3.2.4 bp test is not available.
So please suggest me a test on homoscedesticity ASAP as we have to submit
our report on 7-04-2016.
P.S. : I have plotted residuals against fitted values and it is
2010 Oct 20
0
bootstrapping nonlinear mixed effects models
In order to bootstrap nonlinear regression, the following code works.
library(nlme)
data(Soybean)
fm1.nls <- nls(weight ~ SSlogis(Time, a, b, c), data=Soybean)
summary(fm1.nls)
bstat <- function(A, indices) {
mboot <- nls(weight ~ SSlogis(Time, a, b, c), data=Soybean[indices, ])
return(coef(mboot))
}
require(boot)
boot1 <- boot(Soybean, bstat, 2000)
boot1
For nonlinear mixed
2005 Mar 30
5
netem with prio hangs on duplicate
hi
i tried the example given on the examples page to
duplicate selected traffic like
tc qdisc add dev eth0 root handle 1: prio
tc qdisc add dev eth0 parent 1:3 handle 3: netem
duplicate 40%
tc filter add dev eth0 protocol ip parent 1:0 prio 3
u32 match ip dst 11.0.2.2 flowid 1:3
when i ping from 11.0.2.2 to this interface my machine
hangs. the same thing works for drop or delay.
i would
2006 Aug 02
10
[PATCH 0/6] htb: cleanup
The HTB scheduler code is a mess, this patch set does some basic
house cleaning. The first four should cause no code change, but the
last two need more testing.
--
Stephen Hemminger <shemminger@osdl.org>
"And in the Packet there writ down that doome"
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To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
2024 Feb 07
2
Difficult debug
I haven't done any R memory debugging lately, but
https://www.mail-archive.com/rcpp-devel at lists.r-forge.r-project.org/msg10289.html
shows how I used to have gdb break where valgrind finds a problem so you
could examine the details.
Also, running your code after running gctorture(TRUE) can help track down
memory problems.
-Bill
On Wed, Feb 7, 2024 at 12:03?PM Therneau, Terry M., Ph.D.
2024 Feb 07
2
Difficult debug
?I've hit a roadblock debugging a new update to the survival package.?? I do debugging in
a developement envinment, i.e. I don't create and load a package but rather? source all
the .R files and dyn.load an .so file, which makes things a bit easier.
? Running with R -d "valgrind --tool=memcheck --leak-check=full" one of my test files
crashes in simple R code a dozen lines
2013 May 20
1
[PATCH] xfstests: btrfs 308: regression test for btrfs send
I''m not sure how the numbering is supposed to work now that we''ve split
everything out so I''m just going with the next number in the directory. This is
a regression test for btrfs send, we had a problem where we''d try to send a file
that had been deleted in the source snapshot. This is just to make sure we
don''t have the same problem in the future.
2005 Jan 04
11
ESFQ?
Hi again,
I was just looking around for ESFQ sources, and I see that the main site
is down, and only has kernel 2.6.4 patches.
Is ESFQ maintained? If so, where can I find patches for 2.6.10?
Thanks,
-justin
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