Displaying 20 results from an estimated 8000 matches similar to: "Subject: Does R have semiparametric package for time series"
2010 Aug 17
0
semiparametric fractional autoregressive model
folks,
does anyone know if the SEMIFAR model has been implemented in R? i see that there's a S-FinMetrics function SEMIFAR() that does the job, but I have no access to that software. essentially, this semiparametric fractional autoregressive model introduces a deterministic trend to the FARIMA(p,d,0) model (which, as i understand it, takes care of the random trend and short and long memory).
2006 Nov 24
0
New package `np' - nonparametric kernel smoothing methods for mixed datatypes
Dear R users,
A new package titled `np' is now available from CRAN.
The package implements recently developed kernel methods that seamlessly
handle the mix of continuous, unordered, and ordered factor datatypes
often found in applied settings.
The package also allows users to create their own
nonparametric/semiparametric routines using high-level function calls
(via the function npksum())
2006 Nov 24
0
New package `np' - nonparametric kernel smoothing methods for mixed datatypes
Dear R users,
A new package titled `np' is now available from CRAN.
The package implements recently developed kernel methods that seamlessly
handle the mix of continuous, unordered, and ordered factor datatypes
often found in applied settings.
The package also allows users to create their own
nonparametric/semiparametric routines using high-level function calls
(via the function npksum())
2011 Aug 04
0
Semiparametric double-index Klein Vella 2009 estimator question.
Dear List's Members,
I'm trying to implement "1. Roger Klein and Francis Vella, ?A semiparametric
model for binary response and continuous outcomes under index
heteroscedasticity,? Journal of Applied Econometrics 24, no. 5 (2009):
735-762.
" estimator. I have a technical doubt about the choice of the optimizer for
the likelihood function maximization. That of pg. 743, the
2004 Oct 12
3
need help on GAM
Get some question about the function "gam".
Suppose I have a semiparametric model,
Y~x1+x2+s(z1).
Using "gam", how could I get the estimates for the parametric part and
nonparametric part respectively?
And another question: we could find the coefficients for both
parametric term and nonparametric term, what do these coefficients
for the nonparametric term stand for, the
2010 Apr 21
0
problem on semiparametric single index estimator
Dear R-Help,
I am Deniz.
I am currently trying to replicate a semiparametric sample selection paper
and I am working on Klein and Spady estimator. I am using the npindex() and
npindexbw() functions.
The problem is, I need results for single bandwidth and when I set bandwidth
computation to "FALSE" mode, R is not optimizing anything. Here is the code
I am using:
2008 Jul 25
0
Package np version 0.20-0 released to CRAN
Dear R users,
An updated version of the np package has recently been uploaded to CRAN
(version 0.20-0). Version 0.20-0 is documented in
Tristen Hayfield and Jeffrey S. Racine (2008). Nonparametric
Econometrics: The np Package. Journal of Statistical Software 27(5). URL
http://www.jstatsoft.org/v27/i05/
and also in a vignette (vignette("np",package="np")). There is also a
FAQ
2008 Jul 25
0
Package np version 0.20-0 released to CRAN
Dear R users,
An updated version of the np package has recently been uploaded to CRAN
(version 0.20-0). Version 0.20-0 is documented in
Tristen Hayfield and Jeffrey S. Racine (2008). Nonparametric
Econometrics: The np Package. Journal of Statistical Software 27(5). URL
http://www.jstatsoft.org/v27/i05/
and also in a vignette (vignette("np",package="np")). There is also a
FAQ
2006 Nov 13
2
Multivariate time-series
Hi all,
I'm looking for R packages that estimate multivariate time-series models
or vector-autoregression (VAR) time-series models.
Thanks
David
--
===========================================================================
David Kaplan, Ph.D.
Professor
Department of Educational Psychology
University of Wisconsin - Madison
Educational Sciences, Room, 1061
1025 W. Johnson Street
Madison,
2009 Jan 29
0
np 0.30-1 (nonparametric kernel smoothing methods for mixed data types) is available on CRAN...
Dear R users,
Version 0.30-1 of the np package has been released and uploaded to CRAN.
The np package provides nonparametric kernel smoothing methods for mixed
data types. We encourage anyone using the package to upgrade to the
latest version.
Description: This package provides a variety of nonparametric (and
semiparametric) kernel methods that seamlessly handle a mix of
continuous, unordered,
2009 Jan 29
0
np 0.30-1 (nonparametric kernel smoothing methods for mixed data types) is available on CRAN...
Dear R users,
Version 0.30-1 of the np package has been released and uploaded to CRAN.
The np package provides nonparametric kernel smoothing methods for mixed
data types. We encourage anyone using the package to upgrade to the
latest version.
Description: This package provides a variety of nonparametric (and
semiparametric) kernel methods that seamlessly handle a mix of
continuous, unordered,
2007 Feb 28
2
Help on GAM
1) I have a semiparametric model, like
*Y~x1+s(x2)+s(x3)*
When I rum gam package I only obtained the estimates and the statistics of
the nonparametric part. How can I get the parametric part? Please could you
give me the complete comand to do it.
2) How are the negative coefficients identified. I run different examples
and I never got any negative parameters.
Thank you,
Dacha
[[alternative
2010 May 18
0
The npRmpi package (parallel np package for multi-core environments)
Dear R users,
A parallel implementation of the np package titled `npRmpi' is now available on CRAN. This package can take advantage of multiple core computing environments to reduce the run time associated with the methods contained in the np package.
Kindly see the vignette for details and examples on modifying np code and running it in a parallel environment. You are requested to seek
2010 May 18
0
The npRmpi package (parallel np package for multi-core environments)
Dear R users,
A parallel implementation of the np package titled `npRmpi' is now available on CRAN. This package can take advantage of multiple core computing environments to reduce the run time associated with the methods contained in the np package.
Kindly see the vignette for details and examples on modifying np code and running it in a parallel environment. You are requested to seek
2007 Dec 18
0
Update of the np package (version 0.14-1)
Dear R users,
An updated version of the np package has recently been uploaded to CRAN
(version 0.14-1).
The package is briefly described in a recent issue of Rnews (October,
2007, http://cran.r-project.org/doc/Rnews/Rnews_2007-2.pdf) for those
who might be interested.
A somewhat more detailed paper that describes the np package is
forthcoming in the Journal of Statistical Software
2007 Dec 18
0
Update of the np package (version 0.14-1)
Dear R users,
An updated version of the np package has recently been uploaded to CRAN
(version 0.14-1).
The package is briefly described in a recent issue of Rnews (October,
2007, http://cran.r-project.org/doc/Rnews/Rnews_2007-2.pdf) for those
who might be interested.
A somewhat more detailed paper that describes the np package is
forthcoming in the Journal of Statistical Software
2008 Aug 21
0
endogenous variables in gam (mgcv)
Hello,
I have a question. Suppose that I have a function to estimate with gam (in the mgcv package),
y=s(x1)+s(x2)+XB
where X is a vector of exogenous variables and x1 and x2 are explanatory variables assumed parametric linear functions of X and other exogenous variables Z. Is there a way to evaluate this equation with gam, allowing for endogeneity? If not, is there another
2003 Sep 22
2
ksmooth in SPLUS vs R
I am working with a model that I have to estimate a nonparametric
function. The model is partial linear i.e.
Y=X$\beta$ + f(z) + $\epsilon$
I am using the ' double residual methods' Robinson (1988) Speckman (1988)
where I estimate a nonparametric function for each of the parametric
variables in terms of the nonparametric one i.e.
X[,i]=g(Z)+ u
this is done because I need the $E(
2012 Jan 10
1
plotOHLC(alpha3): Error in plotOHLC(alpha3) : x is not a open/high/low/close time series
R version 2.12.0, 64 bit on Windows.
Here is a short script that illustrates the problem:
library(tseries)
library(xts)
setwd('C:\\cygwin\\home\\Ted\\New.Task\\NKs-01-08-12\\NKs\\tests')
x = read.table("quotes_h.2.dat", header = FALSE, sep="\t", skip=0)
str(x)
y <- data.frame(as.POSIXlt(paste(x$V2,substr(x$V4,4,8),sep="
"),format='%Y-%m-%d
2003 Sep 23
0
ANOVA(L, Terms...)
Hi There
I have a lm object with 4 parameters and I want to test wether 2 parameters
are equal using a Wald test (basically b1=b2 or b1-b2 =0). In the help file
from R it says that under ANOVA the optional arguments " Terms" or "L" test
whether a linear combination is equal to 0. I tried;
>anova(m1, Terms = Beta1-Beta2=0) but I get the error:
Object " Beta1"