Displaying 20 results from an estimated 86 matches for "krcabrer".
2000 Dec 20
1
Partial table.
...encies.
One more question: How can I deal with an unit and an empty vector in a
function that eliminates an element from a it, given the original vector
and the index of the
element to be eliminated?
Thank you very much for your help
Kenneth Cabrera
Universidad Nacional de Colombia
Sede Medell?n
krcabrer at perseus.unalmed.edu.co
krcabrer at epm.net.co
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2000 Dec 14
1
Sort in descending order
Hi R users:
I want to know how can I easily sort in descending order a
whole data frame by one or several variables.
Thank you very much for your help.
Kenneth Cabrera
krcabrer at perseus.unalmed.edu.co
krcabrer at epm.net.co
Universidad Nacional de Colombia, Sede Medell?n
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2008 Jul 14
2
Insurance review statistical methods
...ild a solution
like TRICAST or similar.
In a word:
Do you think that R has all the statistical tools
(I mean modeling tools) to make a job similar to TRICAST?
Does TRICAST has modeling tools that are not implemented
on R yet?
Thank you for your help.
Kenneth
--
Kenneth Roy Cabrera Torres <krcabrer at une.net.co>
2001 Jun 07
3
Diag "Hat" matrix
...988 0.8568274
mt is a model of the type y~x1+x2+x3+x4+x5, where y is:
y
[1] 17 17 35 69 69 173 173 17 17 73 17 35 69 35 35 52
As you see the differences are no too small.
Where is the problem? Is only a numerical stability problem?
Thank you very much for your help
Kenneth Cabrera
krcabrer at perseus.unalmed.edu.co
krcabrer at epm.net.co
Universidad Nacional de Colombia
Sede Medellin
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2002 Jun 05
5
Monte Carlo
Doctor in veterinary medecine I have a degree in veterinary epidemiology
I would ask if someone can perform Monte Carlo simulation with R.
Thanks in advance.
Dr Kane Ismaila
i_kane at hotmail.com
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2002 Nov 29
2
Obtaining the variable names of a glm object
Is names(model1$coef) what you're looking for?
-----Original Message-----
From: Kenneth Cabrera [mailto:krcabrer at epm.net.co]
Sent: 29 November 2002 10:36
Cc: R-help at stat.math.ethz.ch
Subject: [R] Obtaining the variable names of a glm object
Hi, R users!
Suppose I make a model like this:
model1<-glm(resp~var1+var2+factor1+factor2+var1:factor1+var1:factor1+var2:factor2+var2:factor2,family=poisson)...
2002 Apr 11
14
Ordinal categorical data with GLM
Hello All:
I am trying to replicate the results of an example found in Alan
Agresti's "Categorical Data Analysis" on pages 267-269. The example is
one of a 2 x 2 cross-classification table of ordinal counts: job
satisfaction and income.
I am able to get Agresti's results for the independence model (G^2 =
12.03 with df = 9) assuming as he does that the data is nominal, but
2001 Mar 21
1
Chernoff faces
Hello everybody:
Does any one has a function to build Chernoff faces?
Thank you very much
Kenneth Roy Cabrera Torres
krcabrer at epm.net.co
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2004 Oct 08
1
Chernoff faces
> >>>>> "Kenneth" == Kenneth Cabrera <krcabrer at perseus.unalmed.edu.co> writes:
>
> Kenneth> Hello everybody: Does any one has a function to build Chernoff
> Kenneth> faces?
>
> Many of us don't think it's worth them.
> But we know that opinions differ and gladly incorporate
> (good quality) submissions...
2006 May 01
3
Repeat dataframe
Hi R list:
How can I "repeat" a data frame n times (with n>1000),
and obtain a new data frame where all the n data frames
are binded by rows?
Thank you for your help
Kenneth
--
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
2001 Aug 31
2
Probit model
R users,
I got a problem to analyze with probit model. What package contains the algorithm to do probit model.
Lawrence N.M Kazembe
Mathematical Sciences Department
Chancellor College
University of Malawi
P.O. Box 280
Zomba
Malawi
Tel: (265) 524 222 ext 284
Fax: (265) 524 046
e-mail: lkazembe at chirunga.sdnp.org.mw
url: kazembe.cjb.net
kazembe.tsx.org
2002 Jul 26
1
Frame o windows result.
This can be accomplished with the front-end "Emacs" / "ESS".
http://cran.r-project.org/doc/FAQ/R-FAQ.html#R%20and%20Emacs
-----Original Message-----
From: Kenneth Cabrera [mailto:krcabrer at perseus.unalmed.edu.co]
Sent: 26 July 2002 15:30
To: r-help at stat.math.ethz.ch
Subject: [R] Frame o windows result.
Helllo Dear R-user!
I want to know how can I open and other text window where
I will send the results of all the commands, so I will have
a command window and a result window....
2001 Aug 31
2
accessing virtual memory
Hello R users,
I am doing some work with a large data set but am running out
of memory. I understand that R dynamically loads memory as
it needs it, but for some reason it cannot seem to find my virtual
memory. It's limit is about 256M (my hard memory) regardless
of the amount of virtual memory. I'm running R 1.30 on Windows
NT.
Am I missing an easy fix here?
Many thanks in advance,
2009 Dec 02
2
lapply assign to list
Hi R users:
I got an error that "l1" is not found.
This is a sample code:
f1<-function(i,l1){
print(l1[[i]])
l1[[i+1]]<<-i
return(i)
}
z1<-list(x=100,NULL,a=c(1,1))
lapply(1:3,f1,l1=z1)
My final goal is to update the value of
each list component to use it in the following
step.
I see that print function founds l1[[1]],
but the assign instruction not.
Thank you
2002 Mar 03
1
Upgrading an installation of R
I have installed R 1.4.0 on Windows 2000 and would like to
upgrade to the newest version of R. I am scared of messing
this up badly and would like to know if I should:
- uninstall my current version first, or
- just install the newer version without uninstalling
the current version
Do either of these work? If both work, which is
preferable? Will I have to reinstall various
packages that I
2009 Oct 30
2
Names of list members in a plot using sapply
Hi R users:
I got this code to generate a graphic for each member of a lists.
list1<-list(A=data.frame(x=c(1,2),y=c(5,6)),B=data.frame(x=c(8,9),y=c(12,6)))
names1<-names(list1)
sapply(1:length(list1),function(i)
with(list1[[i]],plot(x,y,type="l",main=paste("Graphic of",names1[i]))))
Is there a more elegant solution for not to use two separate lists?
I would like to
2002 Aug 12
5
programming in R
I have a probably basic problem concerning the R language.
I will write some small R programs but don't really know how to start. Do I have
to create my files in some editor like emacs or can I write my code in the R
prompt? How to compile the code?
I haven't found any good manual parts about this subject.
regards
A.P
2009 Aug 25
3
math symbol + value of a variable in legend.
Hi R users:
I will like to have a legend with math symbols and also with
the value of a variable.
But I cannot obtain both at the same time (symbol + value of a
variable):
Here is a reproducible example:
m1<-5
m2<-12
plot(1:5,1:5,type="n")
legend("topleft",legend=c(paste(expression(mu),"=",m1),expression(paste(mu,"=",m2))),lty=1:2)
Thank you for
2009 Aug 25
3
math symbol + value of a variable in legend.
Hi R users:
I will like to have a legend with math symbols and also with
the value of a variable.
But I cannot obtain both at the same time (symbol + value of a
variable):
Here is a reproducible example:
m1<-5
m2<-12
plot(1:5,1:5,type="n")
legend("topleft",legend=c(paste(expression(mu),"=",m1),expression(paste(mu,"=",m2))),lty=1:2)
Thank you for
2002 Sep 23
2
R crash with internet2.dll
Hi,
I'm using:
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 1
minor 5.1
year 2002
month 06
day 17
language R
and I would like to apply:
> update.packages()
trying URL