 | | | rhelp | | Does anyone know of research fully Bayesian stepwise procedures
assuming that models not considered by the stepwise would essentially
have zero posterior probability?
I need to anaGreetings. Is it possible to extract the model matrix (Z) for the random effects from an lme object? For example assume the model has two levels of random effects as in
Y XB + Zu + e
modelHi All
I use RGtk and Rtcltk to build some graphical interface for
bioinformatics data analysis applications.
I 'm just wondering why the graphic display is so slow. For example I
tried to bDear all
I solved a problem of customised labels on strips and boxes in bwplot
by this construction.
> bbb <- bwplot(zavoj ~ typmleti | pu)
> bbb$condlevels$pu <- c( "Povrchov�� ��prava " "Bezhi all
i worked it out. the following code seems to work. thanx for those who
replied to previous questions.
simple1 <-function(xdata ydata)
{
DATA <-data.frame(ydata xdata)
ofit <-sDear R-users
I have some trouble to generate more than one key with xyplot using the
legend argument.
I would like one key with rectangles
library(lattice)
library(grid)
key1 <- list(rectandear list members
there seems to be a problem with the prelim.norm function (package norm)
as number of items in the dataset increases.
the output of prelim.norm() is a list with different summaDear Stefan
I need to apply a Mann Whitney test to my data by applying a bootstrap in
R.
Loonkig for an answer in internet I found your question to the R mailing
list but I have not found the anHi
I was wondering if someone of you has functions ready
for calculating the modified allan variance / modified
allan variation from a time series? I can 't find such a
function coming with the I am hoping to get some advise on the following
I am looking for an automatic variable selection procedure to reduce the
number of potential predictor variables (~ 50) in a multiple regression
ich h�tte ein problem im rahmen meiner projektarbeit stehe ich vor der aufgabe einen beliebigen datensatzt einzulesen die empirische verteilungsfunktion des datensatztes zu zeichnen aber das ganzehi all
i have a function that uses two inputs say xdata and ydata. An example
is the following
simple1 <-function(xdata ydata)
{
ofit <-lm(ydata~xdata)
list(ofit)
}
say i use arbitraHi
I have a question about the usage of eval(). Wonder if any experienced user can help me out of it.
I use eval() in the following function
semireg.pwl <- function(coef.s rnorm(1) coef.a rnoA question about Kalman in R time series and
deJong-Penzer statistic - how to compute it using
available artefacts of KalmanXXXXX?
Background. in the paper
http //www.lse.ac.uk/collections/staI am trying to calculate the median of each row of a
data frame where the data frame consist of
columns of class Date.
Below are my test data and best attempt at using apply.
I didn 't see a soluDear All
I need to separate one column which is in a format like "can_region "
into two columns like "can " and "region ". Do we have a function in R
to do this? Thanks.
Regards
Jin
Hello all
I have a data frame with the following columns timestamp activity
interval.
Each row contains information about an activity that occured over a time
interval. "Timestamp " is whI am having problems installing R under Fedora Core 3. I installed R
using YUM
yum -install R.
The basic installation appears to have worked I can start and run R.
When I try to start the HTML hDear r-help subscribers
A couple of weeks ago I sent the following message to the r-help mail
list. It hasn 't generated any response and I could really use some help
on this. Anyone able to helPlease ignore this is you 're not interested in what my friend who
works for apple had to say regarding my issue which is explained in
detail at the bottom of this exchange...
me
The data frHello
I am analyzing data of biological motion (mouth movements) over time (~
10 mins). There is a considerable baseline shift which appears to be a
linear trend. Is it possible to get rid of While writing a function that includes placing grid lines at the same position
as the axis ticks I found that the axis* functions don 't return anything.
Thus I have had to copy the appropriate fuDear R People
I have finally seen the error of my ways and have decided to use ESS for R
and S + stuff.
However I have a question right from the beginning. I 'm somewhat confused
by the in
Is it possible to change the limits on plots that are already on the
screen? In particular is there any R equivalent to the sequence of
matlab commands
plot(1 10 1 10)
hold on
plot(2 12 5 1Hi
I have difficulty unsubscribing from this list. I have already unsubscribed from the website mailing list. But the messages keep flooding my mailbox. Pls help!
[[alternative HTML versioI want the mean of a response variable for each level of a factor in a
data.frame. How is this done?
[[alternative HTML version deleted]]
I 'm trying to tweak multi-threading on a multiprocessor box(Xeon).
Reading appendix a.2.2 in the install and admin menu I see that I can
use the internal BLAS lib and/or a multi-thread version of AXSolutions Corp (www.xlsolutions-corp.com) is proud to announce
our "Advanced R/Splus programming " course taught by R Development
Core Team Guru!
www.xlsolutions-corp.com/Radv.htm
*********WasI want to get some "simple " logic regression examples to work before
exploring a hard problem.
I can get results but I 'm having some problems using "cat " to save the
logic regression equation toOn Wed 23 Feb 2005 Omar Lakkis wrote
> I run R 2.0.1 on Debian and connect to Informix database via RODBC. In
> the table below the column "month " is of type char(1). RODBC seems to
> be conve |
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