 | | | rhelp | | Hi there
How can I connect to a ACCESS (.mdb) file? In fact I would like to connect to a blank file write a data.frame as table and after that INSERT records using some "insert " command.
Hi
is it possible to do this operation faster? I am going over 35k data
entries and this takes quite some time.
for(cnt in 2 length(sdata$date))
{
if(sdata$value[cnt] < sdata$value[cnt - 1]) {
Hello
I 'm applying a self-written function to a matrix on basis of different
levels.
Is there any way to get the level information within the self-written
function???
t <- tapply(mat levels pDear all
I do not seem to grasp how contrasts are set for ordered factors. Perhaps someone can elighten me?
When I work with ordered factors I would often like to be able to reduce the used polynoIs it possible to plot an image (currently a jpeg) in the margins?
Thanks
Kari
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Dear All
Are there any existing scripts to plot Taylor Diagram (definition see
http //www.ipsl.jussieu.fr/~jmesce/Taylor_diagram/taylor_diagram_definition.html)
? Thanks a lot!
Linda
[[alternativ Dear All
Are there any existing scripts to plot Taylor Diagram (definition see
http //www.ipsl.jussieu.fr/~jmesce/Taylor_diagram/taylor_diagram_definition.html
) ? Thanks a lot!
Linda
[[alternat
Hey guys.
I have Installed and running JRI from Java
and it works. Using java -cp jri.jar MainApp.java
The problem is How do I calling R function that need R library
I have tried these with my Hi
I have tried to develop multidimensional scaling for 3D space using PCA without success yet -) Is there some application ready in R?
Cheers
Atte
Hello
I 'm trying to create a series of randomForest objects basically in a
loop like this
forests <- list()
for (level in 1 10) {
# do some other things here
# create a random foDear R-List
I try to use the package odfWeave but I missed something. I use the
command odfWeave( "examples.odt " "out.odt ") to generate the file that I
can open with OpenOffice it works fine. Hi all
I 've got the following problem. I have a vector containing file names. I
want to read these files as csv and calculate the density-function for
each file (has just one column with data). Th
R-experts
I would like to explore the partial proportional odds models of Peterson
and Harrell (Applied Statistics 1990 39(2) 205-217) for a dataset that
I am analyzing. I have not been able to Dear all
I have following data called "paitent "
day patient1 patient4 patient5 patient6
0 -0.27842688 -0.04080808 -0.41948398 -0.04508318
56 -0.22275425 -0.01767067 -0.30977249 -Dear all
The as.Date() function appears to give different results depending on
the order of the vector passed into it.
d1 c( "1900-01-01 " "2007-01-01 " " " "2001-05-03 ")
d2 c( " " "1900-01-01 " "2Hi
I am interested in a modification to LARS that allows for positive-only
constraints in the variables (with details about how to implement this as
described in section 3.4 of the Efron et al (2003)
R-Experts
I am using the vglm function of the VGAM library to perform proportional
odds ordinal logistic regression. The issue that I would like help with
concerns the format in which the responseHello
I am analyzing a data set that has possible covariates. It is also
multivariate. Are there any R function which can do analysis of covariance?
Thanks.
John Cardinale
[[alternative HTML vDear List
I 'm building an R syntax highlighting file for GeSHi [*] for a website I
am currently putting together. The syntax file needs a list of keywords
to highlight. How can I generate a list of Dear Lister
I am facing a strange problem fitting a GLM of the negative binomial
family. Actually I tried to estimate theta (the scale parameter)
through glm.nb from MASS and could get convergenc
Hello R-users
I am using gls function in R to fit a model with certain correlation
structure.
The medol as
fit.a <-gls(y~1 data test.data correlation corAR1(form ~1|aa) method "ML ")
mu <-summary(fiI apologize for this post. I am new to R (two days) and I have tried and tried
to calculated confidence intervals for medians. Can someone help me?
Here is my data
institution1
0.21
0.16
0.32
0.69
On July 12 2004 Spencer Graves wrote an email describing essentially
the same issue that I would like help on calling the confint function
from within another homemade function. Because he provideI agree about sampling but.. You can go a little further with your
hardware.
The defaults in R is to play nice and limit your allocation to half
the available RAM. Make sure you have a lot of disk swHi r-user
I am trying to save same objects in workspace but the next error
message is show in line command
save(area cent larg mran eddy dia vort slan file "stat.Rdata ")
Erro en save.default(areDear All
I 've read Thomas Lumley 's fortune "If the answer is parse() you should usually
rethink the question. ". But I am not sure it that also applies (and why) to
other situations (Lumley 's commentI am sorry to ask a trivial question but I am not a statistician.
When I need to compare more than two groups in a unbalanced design with
SAS system I use PROC GLM (like the example in data5.csv from
Hi Guys it would be great if you could help me with a MLE problem in R.
I am trying to evaluate the maximum likelihood estimates of theta (a1
b1 a2 b2 P) which defines a mixture of a PoissonHello
I 'm using the gstat package within R for an automated procedure that
uses ordinary kriging.
I can see that there is a logical ( "singular ") atrtibute of some
adjusted model semivariograms
.- aDear R-helpers
I need to compute probabilties of multinomial observations eg by doing the
following
y sample(1 3 15 1)
prob matrix(runif(45) 15)
prob prob/rowSums(prob)
diag(prob[ y])
However m |
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