Newbie here. Many apologies in advance for using the incorrect lingo.
I'm new to statistics and VERY new to R.
I have a nx2 matrix , I want to sort the values based on the average of 2
columns and put k lowest (or highest) values in bin1, second k high/low
values in bin2, and so on (bins would
I was playing around with the ghyp package and simulated series of
t-distributed variables when suddenly i was not able to reproduce the log
likelihood values reported by the package. When trying to reproduce the
likelihood values, I summed the log(dt(x,v)) values and it worked with some
simulated
Life times of one brand of light bulb were observed. Life hours of nine light
bulbs were 898, 720, 354, 405, 620, 54, 229, 306, 890. There were three more
light bulbs that were still burning after 1000 hours. It is common to assume
the life time of a light bulb follows an exponential distribution.
Generate random variables which flow
f(x)=20*x*(1-x)^3 , 0x1
using rejection method with
.g(x)=1, 0x1
how???
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On Dec 17, 2011, at 6:36 AM, jurassic85 wrote:
Life times of one brand of light bulb were observed. Life hours of
nine light
bulbs were 898, 720, 354, 405, 620, 54, 229, 306, 890. There were
three more
light bulbs that were still burning after 1000 hours. It is common
to assume
the life
This definatley looks like homework.
On Sat 17 Dec 2011 05:36:03 AM CST, jurassic85 wrote:
Life times of one brand of light bulb were observed. Life hours of nine light
bulbs were 898, 720, 354, 405, 620, 54, 229, 306, 890. There were three more
light bulbs that were still burning after 1000
On Dec 17, 2011, at 7:58 AM, Bryan wrote:
Generate random variables which flow
f(x)=20*x*(1-x)^3 , 0x1
using rejection method with
.g(x)=1, 0x1
how???
Just as with the posting adjacent to yours in my mail client, this
looks to be homework.
#---
Alvaro,
On 17 December 2011 at 12:23, Alvaro Jose Abackerli wrote:
| Dear Sir/Madam,
|
| I am a Brazilian researcher working in São Paulo – Brazil. I’ve being using
R-software for many years with my students in some engineering applications,
but up to now we've being using only in stand-alone
Dear R users,
I am trying to carry out MLE of the time-varying CAPM using the FKF package.
My approach so far has been to try and adapt the example given in the help
file found using ?fkf which demonstrates the MLE of an ARMA(2,1) model.
When I attempt to run my R code (given below) I get the
Hi,
I've got a little problem using auto.arima.
I run the following command
auto.arima(drivers,ic=aic,d=1,D=1,max.order=10,max.p=5,max.q=5,max.P=5,max.Q=5,stepwise=FALSE,allowdrift=FALSE)
and I get the following output :
Series: drivers
ARIMA(0,1,1)(5,1,1)[12]
On 14.12.2011 10:44, Thiago Guerrera wrote:
Hi Sacha,
I was referring to the BRugs package, where I usually proceed as follows:
result = BRugsFit (...)
param_samples = samplesSample(param)(1)
But (1) takes a long time for big chains. So my question was specific to
BRugs, if there an
On 14.12.2011 23:11, Trying To learn again wrote:
Hi all,
I have solved my question
Output- matrix(0, length(x), 1)
for (i in 1:length(x)){
files- paste('KT', i, '.csv', sep = '')
da1- read.csv(files)
Output[i,1]-da1[1,2]
}
2 comments:
1: use seq:_along(x) rather than 1:length(x)
On 15.12.2011 16:42, verse123 wrote:
Hi guys,
I am new to R and I am bascially trying to load a library that I installed
and use external data that I have. When trying to use an R package called
cummeRbund (http://compbio.mit.edu/cummeRbund/), I am doing:
library(cummeRbund)
Loading
On 15.12.2011 22:10, Jan Theodore Galkowski wrote:
The documentation for the arima function in the package stats has
a slight error. It references:
Ripley, B. D. (2002) Time series in R 1.5.0. R News, 2/1,
2–7. [1]http://www.r-project.org/doc/Rnews/Rnews_2002-1.pdf
This should be:
Ripley,
On 16.12.2011 08:04, Petr PIKAL wrote:
Hi
Hi,
I have a R package with some functions made all of then only with R
code. I use the command R CMD build to build a package that I can
install on linux, windows or mac, because all the code is only R code.
But I have some problems with R
On 16.12.2011 08:44, Paul Smith wrote:
Dear All,
I am using the svm() function of package e1071 for creating Support
Vector Machines prediction models. As far as I understand, there is no
function in this package to extract rules of prediction. Is there some
other package with such a
On Dec 17, 2011, at 2:47 AM, ali_protocol wrote:
Newbie here. Many apologies in advance for using the incorrect lingo.
I'm new to statistics and VERY new to R.
I have a nx2 matrix , I want to sort the values based on the
average of 2
columns and put k lowest (or highest) values in bin1,
As I'm working with some folk who use Windows to prepare an article /
documentation, I'd
like to be able to know if we can use odfWeave. It seems there is no official
binary at
the moment for Windows. Does anyone have a working unofficial one, if possible
both win32
and win64 flavours? My
Hello forum,
I have developed an IRT model for a set of items on a large reference sample. I
now want to use the IRT parameters that were estimated in the reference sample
to score new individuals, one at a time. What R package(s) would allow me to do
this?
Also, several covariates were
I'm a new R user and am looking for an R equivalent to the Matlab 'cp2tform'
function (see: http://www.mathworks.com/help/toolbox/images/ref/cp2tform.html).
cp2tform accepts pairs of 2D control points and produces a least-squares
optimized spatial transformation from one set of points to the
Hi all,
Installed rattle and the required GTK+, but ran into problems. did some
research on the net which recomened removing GTK+ and insalling it from within
R from the package RGTK2 which I did but that didn't resolve the problem.
I get two different errors one is noticed as soon as I
I am new to using odfWeave but I have encountered a problem running
both the example in the help file as well as another file. I am not
sure how to correct the error.
First example:
library(odfWeave)
filein - 'c:\\my documents\\example01_in.odt'
fileout - 'c:\\my documents\\example01.odt'
Hi Abraham,
Zelig has its own mailing list. You should sign up for it there. The
developers are usually great about responding.
Xu
On Fri, Dec 16, 2011 at 10:47 AM, Abraham Mathew abmathe...@gmail.comwrote:
I'm trying to calculate predicted probabilities in R with Zelig and keep
getting the
I am interested in the package 'rgp'
But
install.packages(rgp)
Installing package(s) into /home/worik/R/x86_64-pc-linux-gnu-library/2.12
(as lib is unspecified)
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
package rgp is not available
It is in cran:
Hi All,
I am doing linear mixed model analysis for my multi-location
experiment using R package lme4. I just wonder whether I should
check my data first to see whether they meet the three assumptions of
ANOVA, that is, independence, normality and homogeneity. I saw a lot
of examples and the
On Dec 17, 2011, at 9:30 PM, Worik R wrote:
I am interested in the package 'rgp'
But
install.packages(rgp)
Installing package(s) into /home/worik/R/x86_64-pc-linux-gnu-
library/2.12
(as lib is unspecified)
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
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