Displaying 20 results from an estimated 1000 matches similar to: "Marginal effects in negative binomial"
2008 Oct 03
1
Problem with glm.nb estimation
Dear All,
I've been using already for a year glm.nb() from the MASS package.
But today, R gave me an error message when estimating one of my usual
models:
> depEsf.nb <- glm.nb(depE ~ manuf00E + corps00E + lngdp00E + lngdp00sqE +
> lnpop00E + indshE + scishE + mechshE + elecshE + chemshE + drugshE +
> urban_dummyE + aggl_dummyE
+ + eE1 + eE2 + eE3 + eE4 + eE5 + eE6 + eE7 +
2009 Jan 30
1
Fitted values and residuals from glmmPQL (MASS package)
Dear All,
I would like to analyse the residuals from a generalized linear mixed model (GLMM) that I estimated, with random effects, by means of the command glmmPQL, from the MASS package.
It is not very clear to me what the actual residuals to analyse are (Y - Yhat): I obtain two columns of residuals, of which the first are population residuals, and the second refer to the grouping used in the
2009 Nov 09
1
Percentage effects in logistic regression
Dear ALL,
I'm trying to figure out what the percentage effects are in a logistic
regression. To be more clear, I'm not interested in the effect on y of a
1-unit increase in x, but on the percentage effect on y of a 1% increase in
x (in economics this is also often called an "elasticity").
For example, if my independent variables are in logs, the betas can be
directly
2010 Aug 26
0
anova for plm objects
Dear All,
I'm looking to perform an ANOVA between two nested panel fixed effects models. I tried with anova, as well as with waldtest. anova tells me there is no method available for plm objects, while waldtest tells me my models are not nested. I think they are instead. The difference between the two models is that in the second I let the regression coefficients of a given variable variate
2009 Jan 21
1
Joint significance of more regressors in summary
Dear All,
I was wondering if it is possible to generate a regression summary (it does
not matter at this stage if from an lm or for example a glm estimate) in
which to obtain the joint significance of a set of regressors?
Examples could be looking at the joint significance level of a polynomial,
or of a set of exogenous variables of which is of interest the linear
combination suggested by the
2010 Dec 06
1
waldtest and nested models - poolability (parameter stability)
Dear All,
I'm trying to use waldtest to test poolability (parameter stability) between
two logistic regressions. Because I need to use robust standard errors
(using sandwich), I cannot use anova. anova has no problems running the
test, but waldtest does, indipendently of specifying vcov or not. waldtest
does not appear to see that my models are nested. H0 in my case is the the
vector of
2007 Jun 26
3
surprising difference in log()
Hello everybody
My collegue and I noticed a strange behaviour of R on different
platforms. It's a simple computation, but results are rather different.
On Windows XP:
> floor(log(8,2))
[1] 3
which is what one should expect.
Here's instead the result with Mac OS X (same version, 2.5.0
(2007-04-23))
> floor(log(8,2))
[1] 2
Is it a "bug" in R or in the operating
2018 Mar 07
2
Call for Papers: ManLang 2018 (Sept. 10-14, Linz, Austria)
------------------------------------------------------------------------------------------------
CALL FOR PAPERS
15th International Conference on Managed Languages & Runtimes
(ManLang'18)
September 10-14, 2018, Linz, Austria
http://ssw.jku.at/manlang18/
------------------------------------------------------------------------------------------------
ManLang (formerly PPPJ) is a
2018 Mar 12
0
Call for Papers: ManLang 2018 (Sept. 10-14, Linz, Austria)
Dear Person That Posted This Email,
Please be aware that calls for papers are only on-topic for this email
list if they are specifically about LLVM. For example, a call for a
workshop on LLVM in Scientific Computing would be on topic whereas a
general compiler call for papers (like the one below) is not.
That said, I hope you receive many strong submissions. Your conference
looks
2012 Mar 09
6
unir 2 dataframe con con igual caso pero distinto valor en igual variable
Estimados usarios de R:
Tengo una base de datos madre en formato .sav de SPSS y la quiero
modificar usando datos de otras base de datos .sav y otra en .csv a
las que llamare hijos.
No tengo problema en convertirlas en data.frame.
Todos los archivos tienen en comĂșn una variable que es Ășnica.
En aquellos casos que les falta un valor a una variable en el archivo
madre lo relleno con el valor del
2016 Feb 04
2
Profiling with LLVM.
Dear Duncan,
Thank you a lot for your feedback. I have a problem though. The branch
weights counters overflow in some files and thus I get incorrect numbers.
Is there any way to find a workaround for that? Is is supposed to be a
known bug or is it something that needs configuration on my part?
Again, thank you a lot for your reply.
Best Regards,
Georgios Zacharopoulos
2016-02-03 18:23
2016 Feb 05
2
Profiling with LLVM.
Dear Duncan,
I am generating branch-weights annotated IR files as described in the
documentation of LLVM, using profiling with instrumentation.
http://clang.llvm.org/docs/UsersManual.html#profiling-with-instrumentation
e.g.
llvm-profdata merge -output=$(BENCH).profdata default.profraw
> clang -S -emit-llvm -O3 -fprofile-instr-use=$(BENCH).profdata -o
> bench.prof.ll bench.c
The issue is
2012 May 19
0
Call for Participation: ACM HPDC 2012 -- Early registration deadline May 25th
Call for Participation
http://www.hpdc.org/2012/
The organizing committee is delighted to invite you to *HPDC'12*, the
/21st International ACM Symposium on High-Performance Parallel and
Distributed Computing/, to be held in *Delft, the Netherlands*, which is
a historic, picturesque city that is less than one hour away from
Amsterdam-Schiphol airport.
HPDC <http://www.hpdc.org> is
2012 May 19
0
Call for Participation: ACM HPDC 2012 -- Early registration deadline May 25th
Call for Participation
http://www.hpdc.org/2012/
The organizing committee is delighted to invite you to *HPDC'12*, the
/21st International ACM Symposium on High-Performance Parallel and
Distributed Computing/, to be held in *Delft, the Netherlands*, which is
a historic, picturesque city that is less than one hour away from
Amsterdam-Schiphol airport.
HPDC <http://www.hpdc.org> is
2012 Apr 27
2
question of iSCSI pool on the same iSCSI target
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2016 Nov 30
2
Asterisk 14.2 CLI don't show debug/verbose data
Hi all,
after upgrading from 13.7 to 14.2, asterisk cli (asterisk -r) don't show
what's happens. I've trying setting debug and verbose to 100 but
nothing, no show. All commands works as expected but i can't what's
happens on my asterisk server.
asterisk*CLI> core show settings
PBX Core settings
-----------------
Version: 14.2.0
Build Options:
2012 May 07
2
Destroy VM failed.
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2009 Nov 03
1
fitting a confined mixture model
Hello all,
I would like to fit a mixture model whose components are normal
distributions confined in a closed interval. Since there are already
several packages for EM, I would like to extend one of these instead of
writing a new script from scratch. What would be the best way to
customize such an existing package for doing that? Which one is the best
in terms of extensibility? (e.g mixtools,
2005 Jan 31
0
mount a share on a W2k server
Hi everybody,
excuse me when I ask something maybe 100 times discussed in this
newsgroup, I try to mount a share on a W2k server box with samba (from
a Fedora 2.6.5 machine) without success. Doing the same with a NT
Server machine in the same LAN works perfectly. It seems that it's
a problem of the password (encryption ?? digitally sign communications
are disabled !!).
[root@hase root]#
2004 Apr 24
0
New message
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My