Displaying 20 results from an estimated 6000 matches similar to: "Taking a lead in panel data"
2010 May 24
1
Fixed Effects Estimations (in Panel Data)
dear readers---I struggled with how to do nice fixed-effects
regressions in large economic samples for a while. Eventually, I
realized that nlme is not really what I needed (too complex), and all
I really wanted is the plm package. so, I thought I would share a
quick example.
################ sample code to show fixed-effects models? in R
# create a sample panel data set with firms and years
2012 Mar 08
1
Panel models: Fixed effects & random coefficients in plm
Hello,
I am using {plm} to estimate panel models. I want to estimate a model that
includes fixed effects for time and individual, but has a random individual
effect for the coefficient on the independent variable.
That is, I would like to estimate the model:
Y_it = a_i + a_t + B_i * X_it + e_it
Where i denotes individuals, t denotes time, X is my independent variable,
and B (beta) is the
2012 Jun 01
1
Converting a pdataframe into dataframe
> a <- data.frame(name=c(rep("a",5), rep("b",5)), year=c(1989:1993, 1989:1993), var=c(1:10))
> str(a)
> b <- pdata.frame(a, index=c("name","year"))
> str(b)
Now, I want to convert b into a data frame and have a structure
similar to a. How do I do that?
--
Apoorva Gupta
Consultant
National Institute of Public Finance and Policy
2010 Mar 16
2
plm "within" models: is the correct F-statistic reported?
Dear R users
I get different F-statistic results for a "within" model, when using
"time" or "twoways" effects in plm() [1] and when manually specifying
the time control dummies [2].
[1] vignette("plm")
[2] http://cran.r-project.org/doc/contrib/Farnsworth-EconometricsInR.pdf
Two examples below:
library("AER")
data("Grunfeld", package =
2013 Jan 11
0
Manual two-way demeaning of unbalanced panel data (Wansbeek/Kapteyn transformation)
Dear R users,
I wish to manually demean a panel over time and entities. I tried to code
the Wansbeek and Kapteyn (1989) transformation (from Baltagi's book Ch. 9).
As a benchmark I use both the pmodel.response() and model.matrix() functions
in package plm and the results from using dummy variables. As far as I
understood the transformation (Ch.3), Q%*%y (with y being the dependent
variable)
2010 Jul 22
4
Drop firms in unbalanced panel if not more than 5 observations in consecutive years for all variables
Dear R-user,
a few weeks ago I consulted the list-serve with a similar question.
However, my task changed a little but sufficiently to get lost again. So
I would appreciate any help on the following issue.
I use the plm package and work with firm-level data in a panel. I would
like to eliminate all firms that do not fulfill the requirement of
having an observation in every variable used for at
2011 Sep 27
0
Keep consecutive year observations (remove gap's) in panel data (dataframes). Difficulties in using lag(). Package plm.
Hi everyone.
I have two questions. I’ve found some other questions and answers similar to
these but they didn’t solve my problem.
I’m working with a panel of firm/years observations (see my reproducible
example). I’m using the plm package.
My panel not only is unbalanced but also have some gap’s in years.
#reproducible example
2010 Apr 09
0
panel regression with twoways random effects, on unbalanced data?
Dear R users
What would be the best way to approach estimating a panel regression
with twoways random effects, on unbalanced data? Unfortunately, the
"plm" package has no implementation of twoways random effects for
unbalanced data. Currently I'm considering two approaches:
- extend "plm" to cover this type of panel regression. (For the
authors, cc'ed:) Would
2018 Feb 11
2
Hausman test
Hello,
I have a problem with Hausman test. I am performing my analysis with these
commands:
> library(plm)
> data<-read.csv2("paolo.csv",header=TRUE)
> data<
pdata.frame(data,index=c("FIRM","YEAR"),drop.index=TRUE,row.names=TRUE)
>
RECEIV~LSIZE+LAGE+LAGE2+CFLOW+STLEV+FCOST+PGROWTH+NGROWTH+TURN+GPROF+GPROF2
>
2011 Feb 22
1
Adjusting for autocorrelation in a panel model
I am working with panel data. I am using the plm package to do this.
I would like to do be able to adjust for autocorrelation, as one does with
glm models and correlation structures (eg corr=corARMA(q=4)) . In
particular, I want to employ MA(4) error structure.
Is there a way of doing this with the plm package?
(Note: I do not really want to use the pggls function for various
2018 Feb 11
0
Hausman test
Note the typo in your 3rd line: data <
Don't know if this means anything...
Bert
On Feb 11, 2018 7:33 AM, "PAOLO PILI" <paolo.pili at student.unife.it> wrote:
> Hello,
>
> I have a problem with Hausman test. I am performing my analysis with these
> commands:
>
> > library(plm)
> > data<-read.csv2("paolo.csv",header=TRUE)
>
2009 May 19
1
panel question (plm)
Hello,
I am working on a data set (already as a plm.data object) located
here: http://econsteve.com/arch/plmWithDensity.Robj
With the following R session:
> library(plm)
...
>load("plmWithDensity.Robj")
>model <- plm(RATE ~ density08, data=plmWithDensity)
Error: subscript out of bounds
I am not understanding the "subscript out of bounds" error, as this is
a
2018 Feb 11
1
Hausman test
you are right about the 3rd line but it doesn't help me for my problem. I
remove the 3rd line but there is still the same problem:
Error in solve.default (dvcov):
the system is numerically unique: reciprocity condition value =
1.63418e-19
Paolo
2018-02-11 16:54 GMT+01:00 Bert Gunter <bgunter.4567 at gmail.com>:
> Note the typo in your 3rd line: data <
>
> Don't
2009 Apr 19
2
importing spreadsheet data - linera regression - panel data
Hi everyone and thank you for the help you could give me.
My data is in a spreadsheet. The 1st column identifies the
firm (with the fiscal number), the columns 2 to 11 have
the variable value for 11 years. I have many variables
(files like this). Each file has about 40.000 firms
(rows). I transformed all the files in txt files. The data
is a panel data, like this:
firm revenu2007 revenue2006
2009 Aug 21
1
Panel Data Analysis (PLM) - Fixed Effects - "cannot allocate vector of length"
Hello to all on the list,
I'm trying to estimate a fixed effects model from a large (unbalanced) panel
data set.
I have no problems when using only an individual effect or only a time
effect, but I get an error message when I try for a "twoways" effect. Here
is some of the code:
paneldata27 is the entire panel data set:
> dim(paneldata27)
[1] 1178831 8
>
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
2011 Sep 26
0
how to handle with gap's in panel data (plm package)
Hi everyone,
I’m working with a panel of firm/years observations. My panel not only is
unbalanced but also have some gap’s in years.
For example, firm 1 has 1999, 2000, 2001, 2004, 2005, firm 2 has 2000, 2001,
2003, 2005, and so on.
I’m using the plm package and what I’m asking is how can I handle with this
gap’s ?
Thank you very much,
Cecília Carmo
Universidade de Aveiro
2009 Dec 08
1
Serial Correlation in panel data regression
Dear R users,
I have a question here
library(AER)
library(plm)
library(sandwich)
## take the following data
data("Gasoline", package="plm")
Gasoline$f.year=as.factor(Gasoline$year)
Now I run the following regression
rhs <- "-1 + f.year + lincomep+lrpmg+lcarpcap"
m1<- lm(as.formula(paste("lgaspcar ~", rhs)), data=Gasoline)
###Now I want to find the
2011 Dec 12
1
Package/command for creating a table of panel models ?
Hello Everyone
(Quick) question: Does anyone know a package/command or simply a way of
creating a table of different panel data estimations (estimated using
/*plm()*/ ) just as *mtable()* does for models estimated with /*lm()*/?
It seems *mtable* (and *apsrtable* equally) only support /*lm*/ and some
other classes but unfortunately not /*plm*/. I am pretty sure others must
have encountered this
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,