 | | | rhelp | | Hi
I am writing some R code that fits a transfer function to a particular time series using the optim() function (BFGS method) to minimize the sum-of-squared errors (SSE). I wish to estimate the Hello
following functions doesnt work correct with my data median() geo.mean().
My datafiles contain more than 10.000 lines and six columns from a
flow-cytometer-measurment. I need the aritHi All
I 'm trying to install the quantreg library on my MEPIS box (debian-based
linux). When I try >install.packages( "quantreg ") it fails to loads and
errors with /usr/bin/ld cannot find -lbHowdy
What I 'd like to analyze with a large data on building permits is to find
time series effect of urban policy on buildings as well as
cross-sectional effects in any. In 1990 the specialZoneSo the help for loadURL says
'loadURL ' is a convenience wrapper which downloads a file loads
it and deletes the downloaded copy.
Trying to load an rda file on Windows (XP R-devel) I 'm using R 2.0.1 under windows XP. I 'd like to produce an xyplot with
lattice in which the x axis shows normally (with tics and numbers) but
there are neither tics nor numbers for y. (I 'm using
> I am always experiencing the scalability of some R packages. This
> time I am trying gbm to do adaboosting on my project. Initially I
> tried to grow trees by using rpart on a dataset with 200 Hi List
I am using the package 'gee ' downloaded from CRAN several days ago. I
tried to
do a 2 degree freedom contrast but couldn 't get any result. It must be so
obvious but I just couldn 't ge
Hi All
How does one remove relevant information from a regression output besides
just the coefficients?
I 've been able to modify the example given under "help(by) " to give me some
additioHi
how is it possible to use more than one command when i 'm
didn 't want use R CMD BATCH for specific reason?
$ echo "(x <-1 10) " | R --vanilla
works
$ echo "(x <-1 10 y <-20 30 lm(y ~ x)) " |Hello
I see on the systemfit manual that you can estimate one-equation IV - I have
a variable and need to test if it 's endogeneous but do not need to
estimate a system.
Does anyon
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Request for contact information
I am trying to locate the contact information for the
individuals who oversee compliance in
document/records mHi
I am using the Strucchange package in R to test for structural change in regression coeffcient. Given a model y b0 + b1*X + b2*Z the Fstats test whether there is a change in both b1 and b2 I 'm trying to export a large data frame to a text file for permanent
storage. The only thing I could find was the treeglia Package but that
didn 't work. Any suggestions?
Thanks!
Christina D Smhello
Suppose in Rnw file I compute a numeric of name x containing the value 1.
In my tex file I want to write
Let x "the real value of x "
so that I can see in my dvi file Let x 1
wHello
I apologize for this question that may has been asked a lot of times
but I could not go through it.
I create a multivariate time series containing NA values.
I want to compute a linearThank for your help
I obtained profiles and I found mosaicplot as an interesting alternative.
I don 't like my solution about legend in profiles graphics I inserted empty
extra columns in ordeCan 't seem to find a x86_64 RPM for R on any of the DL mirrors. Does one
exist?
From Peter Dalgaard <p.dalgaard_at_biostat.ku.dk >
Date Fri 22 Oct 2004 - 23 00 41 EST
Prof Brian Ripl
The following single line of code shows what I am trying to do and the
problem I am having...
barplot(c(101 102 103) ylim c(100 103))
The 'xaxis ' is missing and the grey bars 'fall off ' thi
i try to apply a nls regression but i always have this error message
"Error in numericDeriv(form[[3]] names(ind) env)
Missing value or an Infinity produced when evaluating the modeHi
I 've been up all night trying to get the following to work.
First here is the setup. I have a P4 1G mem running WinXP SP2 R 2.0.1
patched 2005-01-15 MySQL 4.1.7 and MyODBC 3.51.
I 've Dear R users
I 'm trying to write a small function in order to compute empirical cumulative density function.All seems to work but when I try to plot the function I always get error messages.
Dear R users
Following some of the recent questions and discussions about the R
plotting abilities it occurred to me again that it would be very
valuable to have an R graph gallery.
Eric LJTW wrote
> Dear List
>
> I am trying to understand how to use the
> jarque.bera.test() function of the "tseries " package.
> A numeric vector or time series seems to be the only
> argumentHi there
I made a plot with histogram and the curve of kernel density estimation
together. The question is to add a legend to it. What I want is to use a
small box with shade representing the Hi
I 'm currently working on porting some SAS scripts to R and hence need
to do the same calculation (and get the same results) as SAS in order to
make the transition easier for users of the sHi
I have two catagorical vectors like this
x c(1 2 4 2 1)
y c(2 4 2 4 1)
I want to set up a barplot with the catagories 1-4 horizontally and
number of occurances verticallyThe xyplot help page gives quite a lot of information how to use key
and indicates that legend needs to be used if multiple keys are
needed. However it gives only a brief description of what the gHello
I am currently using R for fitting a model to various data sets
(minimizing the negative log-likelihood) and calculating a number of
metrics based on the parameter estimates. Within thes
(Apologies for cross-posting)
JOBS Lecturer/Senior Lect/Assoc Prof at Auckland New Zealand
(North American equivalents are Assistant Associate and full Professor)
Th |
|
|
