Displaying 20 results from an estimated 90 matches similar to: "eigenvalores y eigenvectores"
2005 Aug 30
0
No subject
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failure on
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2002 Oct 02
0
Directory Problemsw
Okay, here's the debugger output:
WineDbg starting... on pid 806e830
No debug information
in 32bit DLL 'F:\Mapper6.exe' (0x00400000)
No debug information in ELF 'wine'
(0x00000000)
2005 Aug 03
7
call fortran in R
Hello,
I used a mac G5, R.2.1.1, and G77 3.4.4 and I would like to use and
call a fortran subroutine.
The trouble is that it seems I am not able to correctly load the
compiled code.
Here is what I have done:
In the terminal this how I compiled my fortran code:
R CMD SHLIB ~/Desktop/Fortan_kmeans/kmeans3.f
There is the wrapper I have paste inside de kmeans3.f file:
c
2008 Mar 19
1
betabinomial model
Hi,
can anyone help me fit betabinomial model to the following dataset where
each iD is a cluster in itself , if i use package aod 's betabinom model it
gives an estimate of zero to phi(the correlation coeficient ) and if i fix
it to the anova type estimate obtained from icc( in package aod) then it
says system is exactly singular. And when i try to fit my loglikelihood by
2013 Jul 29
3
duda reemplazar valores en data frame según condición
Estimados quería realizarles una consulta:
Trabajo con una tabla con 23 registros, la cual tiene en la columna "*ar4*"
valores de una variable llamada ranking para cada registro, y una columna
"percentil" donde le voy a colocar el nivel de percentil en el que se
encuentra ese valor (ar4) de cada uno de esos 23 registros.
La tabla es la siguiente::
código padre n ar4
2012 Feb 23
3
why is generating the same graph???
Hi,
why my script iss always generating the same graph?when I change the parameters and the name of text file?
library(MASS)
dados<-read.table("inverno.txt",header=FALSE)
vento50<-fitdistr(dados[[1]],densfun="weibull")
png(filename="invernoRG.png",width=800,height=600)
hist(dados[[1]], seq(0, 18, 0.5), prob=TRUE, xlab="Velocidade
2010 Feb 24
1
lme4 exactitud
Tengo una duda, hay unos modelos mixtos que se resuelven con lme4, no tengo
problemas con esto, pero necesito tener el resultado para cada uno de los
factores, lo expreso con este ejemplo aunque no es código r creo que se
entendería
Factores como ser casa y auto, tengo casa 1, casa 2, casa 3, y auto 1,
auto2, auto 3.
Con lme4 y utilizando ranef obtengo por ejemplo
Casa 1
2005 Jun 07
1
factor2real strange!?
Hi,
i get factors from oracle instead real or numeric, but have problems
to convert. Where is my mistake? I can't rember have
this difficulties like this?
many thanks,
christian
> vsub <- subset(dm,select=c(DEBITS_POST3))
> (vsub$DEBITS_POST3[1:4])
[1] 9,93 0 23,82 32,72
7936 Levels: 0 0,53 0,65 0,73 0,76 1,02 1,03 1,16 1,25 1,28 1,31 1,38
1,45 1,47 1,49 1,52 1,53 1,62 1,68
2006 Oct 09
1
Coefficients of a factorized polynomial
Hi all,
starting from a vector "v[1:n]" I would like to compute the coefficients
of the polynomial (1+x^v[1])*(1+x^v[2])*...*(1+x^v[n]). The following
code works but is extremely slow for a large "n" due to, I believe, the
polynomial being factorized. I wanted to try the package "polynom"
command "unclass" but I could not figure out how to input a
2009 Apr 16
2
error bars in matplot
Hi,
I was trying to get error bars in my matplot. I looked at an earlier thread, and the sample code that I made is:
#------------------
library(plotrix)
mat1 <- matrix(sample(1:30,10),nrow=5,ncol=2)
ses <- matrix(sample(1:3,10,replace=T),nrow=5,ncol=2)
vect <- seq(20,100,20)
rownames(mat1) <- rownames(ses) <- vect
colnames(mat1) <- colnames(ses) <- letters[1:2]
2013 Mar 13
2
How to read a *.csv file in R?
Hey guys,
I am dealing with this kind of data. To read the file in R I have nulled all
empty fields and tried:
date BRENT BRENTchg HWWI HWWIchg
Jan. 86 22,5 NULL 68,1 -15,6
Feb.86 17 NULL 64,9 -21,6
Mar. 86 13,7 NULL 66,6 -19,5
Apr.86 12,3 NULL 63,6 -19,1
May 86 14 NULL 61,5 -20,9
June 86 11,8 NULL 59,8 -20,7
July 86 9,4 NULL 57,2 -19,3
Aug.86 13,2 NULL 55,5 -18,3
Sep.86 14,2 NULL 57,5 -15,1
2012 May 13
1
R package dependency issues when namespace is not attached
I have always assumed that having a package in the 'Depends' field
would automatically also?import?the namespace. However, it seems that
in R 2.15, dependencies do not become available until the package is
actually?attached?to the searchpath. Is this intended behavior?
The problem appears as follows: Suppose there is a package 'Child'
which?Depends, but does not explicitly
2009 Nov 20
3
steadily increasing/high loadavg without i/o wait or cpu utilization
Hi all,
I just installed centos 5.4 xen-kernel on intel core i5 machine as dom0.
After some hours of syncing a raid10 array (8 sata disk) I noticed a
steadily increasing loadavg. I think without reasonable i/o wait or cpu
utilization the loadavg on this system should be very lower. If this
loadavg is normal I would be greatful if somone could explain why. The
screenshots below show that there is
2012 May 22
2
getting a Likert plot from a data frame
I'm creating a stacked bar chart using the likert command in the HH package. My data are in a data frame, with two numeric variables and a categorical variable, I can't get likert to use the column containing the categorical variable as a my y axis label.
Here is a quick example:
library(HH)
#my data are:
2005 Feb 18
1
Two-factorial Huynh-Feldt-Test
Hi,
I'm currently working on porting some SAS scripts to R, and hence need
to do the same calculation (and get the same results) as SAS in order to
make the transition easier for users of the script.
In the script, I'm dealing with a two-factorial repeated-measures anova.
I'll try to give you a short overview of the setup:
- two between-cell factors: facBetweenROI (numbering
2008 Nov 11
1
Multiple XY Lines Plot
Hi list, I’m trying to plot lines in the same graphic. There are lots of
similar topic on the list history. I’ve read about xyplot (lattice) and
other ways to do that but I only got complex error messages, and wasn’t able
even to start a decent R scrip. Well I have some paired information (each H
W ), were H is the y axis and W is the x axis, how could I plot all the four
lines at the same image?
2013 Mar 31
0
Skewness of fitted mixture not correct?
I fitted a gaussian mixture to my financial data. The data can be found
here: http://uploadeasy.net/upload/32xzq.rar
I look at the density with
plot(density(dat),col="red",lwd=2)
this has a skew of
library(e1071)
skewness(dat)
-0.1284311
Now, I fit a gaussian mixture according to:
f(l)=πϕ(l;μ1,σ21)+(1−π)ϕ(l;μ2,σ22)
with:
2011 Nov 18
1
Filling a variable with unmentioned categories
Hello, list,
I've been struggling with this task for a while looking for an efficient way to solve it:
There are two variables 'price' and 'mentioned'.
I want to 'enlarge' data so that missing price points within the price range are added to variable price.
Also variable 'mentioned' is to receive values 0 in these cases.
Note: Price points in original data can
2004 Jan 09
2
Fit non-linear regressor
Hi R masters,
Sorry for first mensage, this is orignal text...
y<-c(2.8150,3.5239,4.0980,4.5845,5.0709,5.4824,5.8427,6.3214,6.7349,7.3651)
x<-c(37,42,47,52,57,62,67,72,77,82)
I need fit R and A in y=f(x)=R*exp(A*x), with minimize sd= sqrt(SRR/(n-2)) where SRR is Sum of the Square of the Residuals
and n is number of data points (in this case 10)
How do I make this?
Thanks in advance
2012 May 23
5
biggest disk partition on 5.8?
Hey folks,
I have a Sun J4400 SAS1 disk array with 24 x 1T drives in it connected
to a Sunfire x2250 running 5.8 ( 64 bit )
I used 'arcconf' to create a big RAID60 out of (see below).
But then I mount it and it is way too small
This should be about 20TB :
[root at solexa1 StorMan]# df -h /dev/sdb1
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 186G 60M