search for: croissant

Displaying 20 results from an estimated 25 matches for "croissant".

2009 Jun 23
1
nlme package - unbalanced data and Croissant (2008)
Dear listserv members, In Croissant (2008) “Panel Data Econometrics in R: The plm Package” the authors seem to indicate that the nlme package for R cannot correctly handle unbalanced panel data: “Moreover, economic panel datasets often happen to be unbalanced (i.e., they have a different number of observations between groups), which...
2015 Oct 07
2
authorship and citation
...for "findFn" and contributed the code for it. Special thanks to Jonathan Baron and Andy Liaw. Baron maintains the RSiteSearch data base. Liaw and Baron created the RSiteSearch function in the utils package." Another example: The "Author" of the Ecdat package is Yves Croissant <yves.croissant at let.ish-lyon.cnrs.fr>. I'm the Maintainer. At some point, I may add my name to the list of Authors but I certainly would never remove Yves' name. That package is, I think, exclusively data sets. I added functions, which I later spun off into a separate Edfun...
2011 Jun 12
3
Running a GMM Estimation on dynamic Panel Model using plm-Package
Hello, although I searched for a solution related to my problem I didn?t find one, yet. My skills in R aren?t very large, however. For my Diploma thesis I need to run a GMM estimation on a dynamic panel model using the "pgmm" - function in the plm-Package. The model I want to estimate is: "Y(t) = Y(t-1) + X1(t) + X2(t) + X3(t)" . There are no "normal" instruments
2010 Aug 13
1
Panel regression for zero-inflated count data with over-dispersion?
...data (patent citations) so a Poisson distribution applies. But I also want to control for over-dispersion and and excess zeros. I think I read all manuals of potentially helpful packages but I could not find a way to realise this. The closest I got was a fixed effects poisson regression using Yves Croissant's pglm package (panel generalized linear model). But over-dispersion and excess zeros are still neglected. Does anyone know a feasible way to run such a regression on R? Thanks a lot in advance and thanks to all the help I got in the last years by reading the archived mailing lists. Steffen K...
2015 Oct 07
2
authorship and citation
On 07/10/2015 1:39 PM, Tim Keitt wrote: > On Wed, Oct 7, 2015 at 11:29 AM, Spencer Graves <spencer.graves at prodsyse.com >> wrote: > >> Another example: The "Author" of the Ecdat package is Yves Croissant < >> yves.croissant at let.ish-lyon.cnrs.fr>. I'm the Maintainer. At some >> point, I may add my name to the list of Authors but I certainly would never >> remove Yves' name. That package is, I think, exclusively data sets. I >> added functions, which I lat...
2009 Mar 26
1
pgmm (Blundell-Bond) sample needed
Dear R Experts--- Sorry for all the questions yesterday and today. I am trying to use Yves Croissant's pgmm function in the plm package with Blundell-Bond moments. I have read the Blundell-Bond paper, and want to run the simplest model first, d[i,t] = a*d[i,t-1] + fixed[i] + u[i,t] . no third conditioning variables yet. the full set of moment conditions recommended for system-GMM, whic...
2010 Oct 14
1
robust standard errors for panel data - corrigendum
...ectional robustness as well! PS a couple of experts on the subject are bc/c-ed, please correct me if I'm wrong. Best, Giovanni -----Messaggio originale----- Da: Millo Giovanni Inviato: mercoled? 13 ottobre 2010 14:16 A: 'Achim Zeileis'; Max Brown Cc: r-help at stat.math.ethz.ch; yves.croissant at univ-reunion.fr Oggetto: R: [R] robust standard errors for panel data Hello. In principle Achim is right, by default vcovHC.plm does things the "Arellano" way, clustering by group and therefore giving SEs which are robust to general heteroskedasticity and serial correlation. The probl...
2007 May 10
1
R talks at LSM 2007
Dear R users and developers, Would any of you be interested in giving a lecture about R and/or R use cases at the following free software conference that takes place in Amiens, France, next summer? We already had a talk on R last year by Yves Croissant (http://2006.rmll.info/theme_26?lang=en) but are still open to any submission this year. We expect some talks this year (to be confirmed) about CRAN and Debian. Best regards, Fr?d?ric Lehobey -- for the 2007 team of volunteers of topic 'Science, Research and Medicine' of the LSM.
2008 Dec 14
0
Output mlogit package (multinomial logistic regression)?
Hello, For my master thesis I conducted a conjoint analysis. Using the mlogit-package of Yves Croissant I should be able to analyse my choice data. I read the whole program of mlogit, but I do not understand how my coefficients must be interpreted. Are they a result of P(Y=i) or are they P(Y=i)/P(Y=1) where 1 is my base category, or are they a result of ln(P(Y=i)/P(Y=1)). I can not find an answer to...
2010 Feb 14
1
mlogit function cut off formular
I'm trying to fit a multinominal logistic model using package mlogit. I have 15 independent variables. The code looks like this: m<-mlogit(score~0|f1+f2+f3+f4+f5+f6+f7+f8+f9+f10+f11+f12+f13+f14+f15, data, reflevel="1") And it gives the following error message: Error in parse(text = x) : unexpected ')' in "score ~ 0 + alt:(f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9
2010 Dec 30
0
Panel Data Analysis in R
...ide me with reference notes(or steps) towards analysis of?? (un)balanced panel data in R. Ø Thank you! The "plm" package does panel data analysis in R. See the vignette at: cran.r-project.org/web/packages/plm/vignettes/plm.pdf. There are other similar articles by the same authors, Yves Croissant and Giovanni Millo, and one of these is the best to get you started. If the "plm" package does not do all that you are looking for, you will have to explore the more general packages for mixed models (or hierarchical models or models for longitudinal data) in statistics, like "nlme&q...
2011 Jul 29
0
GMM, panel data, functions lag() and diff()
I’m starting to use the GMM estimator with panel data in R. I´ve read the document «Panel Data Econometrics in R: The plm Package» (Croissant and Millo). In Stata before using the functions lag() or diff() we must sort the data by individual and by time. I would like to know if I have to do something like this in R. If you know any other interesting document about panel data in R please let me know. Thank you for your help, Cecília...
2008 Mar 15
0
Naissance de fr.centos.org / Birth of fr.centos.org
(For non native french speakers : that will be my only announce here in another language than english ;-) ) Le projet CentOS est heureux de vous annoncer la naissance du site http://fr.centos.org . En r?ponse ? la demande croissante de la communaut? des utilisateurs francophones de CentOS, le forum fr.centos.org a vu le jour. Nous profitons de cette annonce pour relancer l'appel aux volontaires pour traduire le wiki existant (http://wiki.centos.org) ;-) Pour se faire, il suffit de vous inscrire dans un premier temps ? la...
2009 Jan 21
0
trouble switching to 'plm' from 'xtabond' and Stata
..."plm" package. I am trying to replicate some of the dynamic panel data work using the UK Employment data in Arellano and Bond (1991) and available as 'EmplUK' under the 'plm' package. I have been reading "Panel Data Econometrics in R: The plm Package" by Croissant and Millo available at http://cran.r-project.org/web/packages/plm/vignettes/plm.pdf and "How to Do xtabond2: An Introduction to 'Difference' and 'System' GMM in Stata" by David Roodman available at http://www.cgdev.org/content/publications/detail/11619 . Roodman prov...
2015 Oct 07
4
authorship and citation
On Tue, Oct 6, 2015 at 4:58 PM, Adrian Du?a <dusa.adrian at unibuc.ro> wrote: > Hi Gabriel, > > On Tue, Oct 6, 2015 at 10:59 PM, Gabriel Becker <gmbecker at ucdavis.edu> > wrote: > >> [...] >> >> At the very least, this is seems to be a flagrant violation of the >> *spirit* of the CRAN policy, which AFAIK is intended to enforce >>
2002 Jul 05
1
radiomatic
...ateurs (les étudiants de différentes écoles). Cette programmation (jeu de mot sur la notion de programmation en radio) active des principes algorithmiques, des processus aléatoires de sélections, de mixages et d'échantillonnages de sources audio live et/ou fixées. A la suite de l'apparition croissante de projets coopératifs et de leur impact sur le contexte des technologies de la communication, une des questions que poserait ce projet serait: "est-ce la machine qui structure les subjectivités ou les subjectivités qui structurent la machine?" RadioMatic est un dispositif "autonome...
2011 Feb 28
4
mlogit.data
I am trying to estimate multinomial logit models off of a .csv table in IDCASE IDALT format where I have ROWS HHID PERID CASE ALTNUM NUMALTS CHOSEN IVTT OVTT TVTT COST DIST WKZONE HMZONE RSPOPDEN RSEMPDEN WKPOPDEN.... 1 1 2 1 1 1 5 1 13.38 2.00 15.38 70.63 7.69 664 726 15.52 9.96 37.26 2 2 2 1 1 2 5 0 18.38 2.00
2010 Feb 04
1
plm issues: error for "within" or "random", but not for "pooling"
Dear all I am working on unbalanced panel data and I can readily fit a "pooling" model using plm(), but not a "within" or "random" model. Reproducing the examples in vignette("plm") and in the AER package I encountered no such issues. ##unfortunately I cannot disclose the data, and it is too big anyway > dim(ibes.kld.exp.p[x.subs , ]) [1] 13189 34
2010 Nov 18
1
how do I build panel data/longitudinal data models with AR terms using the plm package or any other package
Hi All, I am doing econometric modeling of panel data (fixed effects). We currently use Eviews to do this, but I have discovered a bug in Eviews 7 and am exploring the use of R to build panel data models / longitudinal data models. I looked at the plm package but do not see how I can incorporate AR terms in the model using the plm package. I have an Eviews model with two AR terms, AR(1) and
2009 Nov 09
3
Bug in all.equal() or in the plm package
Hi! I noticed that there is a (minor) bug either the command all.equal() or in the "plm" package. I demonstrate this using an example taken from the documentation of plm(): ====================================== R> data("Produc", package="plm") R> zz <- plm(log(gsp)~log(pcap)+log(pc)+log(emp)+unemp, + data=Produc,