 | | | rhelp | | Hello
Do you know why additional graphical parameters (like "type " "pch " ...) do not work in the R contour fonction. For example the command 'contour(... type "o " pch 16) ' gives nothing just simplDear R-helpers
The function optim implements algorithms that I would like to use.
I have function implemented in R which given the parameters of which
minimization is to take place returns a scaDear all
I am new in using R.
I 'd like to fit a non linear model using weighted least squares.
I am using the gnls function but I don 't know how to perform a weighted
least squares (my weightsI will be on vacation until August 11 2005.
I will respond to your message when I return. Thank you.
If you need immediate assistance please call or e-mail the following
for circulation relatHi All
I have a greyscale image that I am reading in through RGDAL and placing in a
pixmap object.
As an example use the logo.jpg file that comes with the RGDAL package
#Read the file
logo <- I 'm in a situation where I say
> predict(m.rpart newdata D[N1+t ])
0 1
173 0.8 0.2
which I interpret as meaning an 80% chance of "0 " and a 20% chance of
"1 ". Okay. This is consistent withHi all please don 't ask me why I tried this but.......
I have observed some odd behaviour in the time taken to read a file. I
tried searching the archives without much success but that could be mDear all.
I have found one more minor bug in the Lattice package.
When xyplot plots several curves on each panel with the default panel
function panel.xyplot and when it is called with "g " %in% Hi I have a matrix with both positive and negative
numbers I would like to use image() to draw a
heatmap. How can I can design a palette (or is there a
function already available) that treat negativDear List
Is there any function in R to generate multivariate F distribution with
given correlation/covariance matrix?
Actually I just want to generate some 2-dimentional non-normal data
sets (skeFolks
(This is a question on the formal S4 class system). R 2.1.1 on Windows.
I 'm pretty sure the following is a failure of my understanding rather than
a bug so may I ask for some clarification?Dear list
can someone tell me why this two pieces of code give me the same
results?
> for(i in 0 5){ sum[i] i }
> sum
[1] 1 2 3 4 5
> for(i in 1 5){ sum[i] i }
> sum
[1] 1 2 3 4 5
shouldI am trying to calculate the weighted mean for a of 10 deciles and I
get an error
> decile <- tapply(X mat$trt1m INDEX mat$Rank FUN weighted.mean w mat$mcap)
Error in FUN(X[[1]] ...) 'x ' and 'wHi
I tried to do a logistic regression with polr(MASS). I
thought I already converted the response to factor
but obvious I was wrong. Could anyone tell me what I
did wrong and how to correct it? ThGreetings all
Our group[1] is seeking to hire three programmers to work on various
aspects of Bioconductor as well as other projects within the
Computational Biology group at the Fred Hutchinson CanHi there
I am wondering what packages are available in R which can do "outlier
detection " in large-scale dataset.
Thanks for sharing info
weiwei
--
Weiwei Shi Ph.D
"Did you always know? "
"No
Has any developed or is anyone developing a plug-in[1] for using R
with Eclipse[2]?
Eclipse is an Integrated Development Environment (IDE) written in
Java. While originally used as an IDE for JI have a large vector of around 12597 elements and I wish to calculate
p-value for each element using a formula of something like
p-value 1- exp^(kexp^(-labda))
I was wonderDear list
I try to update the prabclus package.
R CMD check works nicely no warnings good results in all tests.
However building the package fails
ginkgo /disk5/home/chrish/RAusw/libsrc R CMD bDear Dr. Bivand and R-users
I have a 5 by 5 grid say location[1 5 1 5] and I want to know the
indices of 8 neighbours of each cell. For example for location[2 2] its
neighbour coordinates areList gurus
I 'm trying to code a Gompertz growth curve function as part of a larger
project and have run across a problem due to my ignorance of
environments. Some sample data and the function are Good evening I am Marta Colombo student of the "Politecnico " in Milan and I 'm looking for some help.I 'd like to know how I can see R-Squared using loess because in the output there are only
number R quits with the message above?
What is the cause of the message and how can I avoid this?
I am using R.2.1.0 on a debian box.
Dear all
I 'm trying to estimate clusters from a very large dataset using clara but the
program stops with a memory error. The (very simple) code and the error
mydata <-read.dbf(file "fnorsel_4px.dbI 'm working on some heatmaps and the person I 'm working with would
prefer a red-black-green color palette (red denoting gene induction and
green denoting gene repression). Does such a palette exisHi all
I 'm trying to build R 2.1.1 on Ubuntu 5.04 i686-SMP. Configure goes well
with
./configure --with-BLAS --with-readline no
but once I run 'make ' I get the following error
In file includeHello
I 'm tring to make a linear discriminant analysis eith lda (MASS).
In the value of the resulting object is there information about the value of
the centroids of the discriminated group for the
Dear R users please can you help me understand the behaviour of abline using function lm.
I 'm trying to learn linearity over groups. So I make three groups with 10 values each
test data.frame(cbHello R Helpers
After spending considerable time attempting to write a loop (and searching the help archives) I have decided to post my problem.
In a dataframe I have columns labeled
q33a q33b Dear R users
I 'm attempting to fit a GLM with random effects using the tweedie family
for the error structure. I 'm getting the error
iteration 1
Error in logLik.reStruct(object conLin)
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