 | | | rhelp | | In the robust library of S+ it is possible to compute Rocke 's
constrained M-estimator of scatter and location. Can 't find anything
within R that does the same thing. Can someone tell me whether any p(Posted also to debian-user)
In my office network I have access to a debian powerpc server and 2 freebsd
6 servers (actually one of them is my notebook).
Experienced user of the statistical software RI am looking at using R to analyze time series data containing a tidal
component. I need to remove the tidal signal to extract the time
series of the phenomena I seek to study. A browse of R-proje
Dear R-users
We expect to develop statistic procedures and environnement for the
computational analysis of our experimental datas. To provide a proof of
concept we plan to implement a test for Hello R users
I have a long list with over 20 000 elements (say foo) now I want to make a sub
list of 30 elements from this list using the component names such as subname <-c(
"a " "b " "d " "f " "gHi guys
Im struggling with this
I have a dataset in which I have 9 measures and for each measure id like to compute the kendall tau correlation using cor.test with
each of 20 covariates. IDear All
I am looking for function 's code to implement the
Hosmer-Lemeshow gof test for survival data.
Could anyone share it?
TIA
Gioavnni
PS I know that this test has low power depends from..Hi!
First of all I 'm a newbie to both statistics and R so please be
patient with me... I do however like R because I 've been programming
(pascal IDL perl C etc) and designing models since -92 Hi
Does anybody have a good tip of how to treat bimodal data to perform statistical analyses? My data set ranges from -1 to 1 (any values are posssible in between) and most data are either Read R-helpers
I 'm relatively new to R and trying to jump in feet first. I 've been
able to learn a lot from on-line and printed documentation but
here 's one question to which I can 't find an aR 2.1.1 on Windows 2K
I hope one and all will allow both an R question and a general stats question
(1) Is there any function that will perform non-parametric tests such as a sign test or a signeHi
I usually use lme from the nlme library. Now I have read an article about
lmer in Rnews and lmer seemed to me more comfortable to use. Unfortunately
I didn 't find out how to use covariance strucI have data from several sensors that recorded data at hourly intervals
during seven months. I want to separate daily variation from the trend
and also be able to zoom in on only one month of data.Hi
using mca function in library(MASS) I obtained the following result
> miacm mca(factor.variables abbrev TRUE nf 11)
> miacm
Call
mca(df factor.variables nf 11 abbrev TRUE)
Multiple coHello
the k-means {stats} help and the Hartigan&Won paper say nothing about
the way random sets works (parameter nstart). I would expect to get
the different results for each random initial set but
Dear list
I 'm currently trying to develop a model to assess clam yield potential in a
lagoon. I 'm using the zeroinfl function of the pscl package to fit a
Zero-inflated negative binomial model giveHi
look at the following session in which I have a dataframe
and I want to extract the second row without the first column.
Everything works as expected until the last line where I set
the names
I am using R in Windows. I see that I will have to use batch processes with
R. I will have to read and write text files and run some R code probably
some external code too. I have never done scriptI have 130 or so rows of questionnaire data. It is 67 columns wide
mostly of categorical nature (and often yes/no).
I have been using daisy pam and plot to view cluster plots with subsets
of coluDear R-helper
Is there a command to get an array indexed 1 to T from T to 1?
For example
a <- c(1 2 3)
and by applying such a command I can get
a[1] 3
a[2] 2
Hi
Problem statement
There are two variables Y X. Y is a response from X. I want to find
a closed form formula to express Y in terms of X.
Comments
I tried with simple polynomial basis but its I am confused by the following description in
http //www.maths.lth.se/help/R/.R/library/systemfit/html/hausman.systemfit.html
what does the "Not run " mean? if we do not load systemfit how can we runSweavers
As the title suggests I would appreciate any help to include S code in
ordinary paragraph mode. I can use the textsl font but is isn 't the
same.
Thanks
Ross Darnell
Hello
I do not know very much about statistics (and English language too -( )
then I come in search of a clarification (explanation)
I found two distinct results on KURTOSIS and
I do not knoI have a data frame which has the following data.
data <-read.table( "table.txt " header TRUE)
data
X14A_U133A_StatPairs X14A_U133A_Detection X14B_U133A_Signal
1 AFFX-BioB-5_at 403Dear List
This is my first post and I 'm a relatively new R user trying to work out a
mixed effects model using lme() with random effects and a correlation
structure and have looked over the archiAt office using the internal LAN at my disposal I 'm having a go at parallel
computing - to begin with - with pvm rpvm & snow.
The two boxes are as follows
Remote machine uffbsd
CPU Intel(R) PeHello
I am new to the R package. After I use R to perform the hierarchical
clustering I am only interested in retrieving the leaf nodes that share
the last common ancestors. As illustrated belowHi All
I have two time series each has length 354. I tried to calculate the
coherency^2 between them but the value I got is always 1. On a website
it says " Note that if the ensemble averagingDear List
I have created some code to simulate data from a complex sample where
5000 students are nested in 50 schools. My code returns a dataframe with
a variable representing student achievement a |
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