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Dear useRs
I use pnorm to calculate the area under the normal curve to the left of z.
Now is there a function which provides the z value given a certain area?
I wrote a function which finds Dear All
In the attached file I have 3 group patients and there are 5 in each group (the groups are decided by the prefix of the idno). I want draw a repeat measurement comparison figure. My goHello
I work with two packages sna and graph from CRAN resp. Bioconductor. Both
packages have a function called "degree ". Therefore one of the functions
is masked by the other and which one Hi all
My data
genes
[ 1] [ 2] [ 3] [ 4]
[1 ] 25 72 23 55
[2 ] 34 53 41 33
[3 ] 26 43 26 44
[4 ] 36 64 64 22
[5 ] 47 72 67 34
stu <-t.testDear All
I 'm confortable with xyplot(...) and panel.lmline(...) statements (at least I
thought I did ). I 've used the following code to plot the decline in
log-abundance of fish larvae (no.larvaeI 'm trying to use the pdf() function and would like to increase the font
size for slide-presentation purposes. Changing the
argument `pointsize ' doesn 't seem to do anything.
Anyone come across Hi all
I am currently trying to read write and append data between R and MS access
using the RODBC library functions. I have no problems reading in the data
but when using sqlSave and sqlAppendHello everyone
I would like to use R to compute some special hidden markov chain. I see that
such those models are like dynamic bayesion network.
So I find some doc about computation of those moDear R-users
I 'd like to announce the release of my new package "ltm " (available
from CRAN) for fitting Latent Trait Models (including the Rasch
model) under the Item Response Theory approachHello.
I am using the predict function to transform logit values from a glm to
probabilities (predict(model type "response " se T))..
Everything is going very well for the categorical variablesCould anybody help me out please?
> cl <-as.factor(traindata[ 13])
> knn(traindata[1 295 2] newdata[1 32 2] cl k 2
prob TRUE)
Error in knn(traindata[1 295 2] newdata[1 32 2]
cl k m pHi
I am new to R and need help with rpart. I am trying to create a
classification tree using rpart. In order to plot the reults I use the
plot function and the text function to label the plot oAre there any packages to handle multi-class classification with boosting.
I know adaboost function include in package "boost " but that is only
for two-class.
Thanks for your help.
Xiyan Lon
On 14 Mar 2005 at 12 46 pm Stuart Leask wrote
> (I vaguely recall a suggestion there be a r-debian list which this
> would be
> appropriate for but I can 't find such a list if it exists. > > > > > "Christian " Christian <christianmacaro@(protected) >
> > > > > on Mon 14 Mar 2005 19 21 05 +0100 writes
Christian > Dear all I am trying to install the
Christian > R-2.0.0-1mdk.i5I am try to cross validate some logistic regressions. cv.glm allows me to do this randomly but since I have data over a number of years and over a number of distince areas I would like to cross-validBackground
OS Linux Mandrake 10.1
release R 2.0.0
editor GNU Emacs 21.3.2
front-end ESS 5.2.3
Dear all
I am trying to install the R-2.0.0-1mdk.i586.rpm
<http //cran.planetmirror.com/bin/linux/mandrake/10.0/R-2.0.0-1mdk.i586.rpm >
file on mandrake 10.1. Since the file is originally mHas anyone hacked up tools for reading/writing CDISC applications
(ADaM SEND SDTM ODM) files or using/verifying vocabulary with R?
(i.e. via the XML ontoTools and similar packages)?
(I 'd bHi I have some problem to install RMySQL package.
Could you help me?
I set up the path.
[root@(protected) library]# export PKG_CPPFLAGS "-I/var/lib/mysql "
[root@(protected) library]# export PKG_LIBS "-L/vaI want to organize outputs from several regressions into a handy table. When I
try the following each of my "fit_s " is replaces instead of read. Is there a
way to read from the regression summariHello all
When I view or print the below plot on my Linux machine under R 2.0.1 I
see a nice thick solid and dashed line with a legend. However while the
lines are distinguishable the legend iHi
I am trying to output an dataframe from R to Excel file. Can anyone tell me how to do it? Thanks a lot.
Eg.
R dataframe
A B C
1 2 1
3 4 2
. . .
[[alteJust out of curiosity (and I hope that my question does not confuse
those who intuitively understood the par(new TRUE) statement right in
the beginning)
I would like to know whether beginners Hi
I 'm trying to find the corresponding Fortran77 subroutines for R
function pt(). I tried some Fortran77 subroutines to compute the t
distribution function. But none of them are as good as R Dear All
I am trying to use kpss.test function so as to perform a stationarity test on a data sample. Is it possible to know the associated confidence level for this test? I have not seen any arguDear all
I was looking for methods in R that allow assessing the number of
significant principal coordinates. Unfortunatly I was not very
successful. I expanded my search to the web and CurreDear R-developer (Marsaglia??)
The following piece of code from package SuppDist routine "dist.cc " seems
to have a bug
ULONG MWC1019(void){
ULONG long t
int i endQ-1
t 14766967Hi Please excuse these questions if they 're obvious. I 'm new to R.
I need to access a Postgres db from R. I 'm currently trying RODBC as
I spend part of my time on Windows and rdbi.pgsql seems noDear all
I would be glad if someone could tell me if Tukey HSD (function of stats
library) accept the NA values and could correct the unbalanced design
(different number of sample in each grou |
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