Displaying 20 results from an estimated 20000 matches similar to: "multi day R run crashed - is there a log"
2010 Nov 18
3
problems subsetting
Dear all,
I have searched the forums for an answer - and there is plenty of
questions along the same line - but none of the paproaches shown worked
to my problem:
I have a data frame that I get from a csv:
summarystats<-as.data.frame(read.csv(file=f_summary));
where I have the columns Dataset, Class, Type, Category,..
Problem1: I want to find a subset of this frame, based on values in
2007 Dec 19
3
median of binned values
Dear list,
I have a vector (array, table row, whatever is best) of frequency values
for categories (or bins), and I need to find the median category.
Trivial to do by hand, but I was wondering if there is a means to do it
in R in an elegant way.
The obvious medioan(vector) returns the median frequency for the binns,
and that is not what I want. i.e,:
freq
cat1 1
cat2 10
2009 Jun 28
4
how to remove extlinux?
hello,
quick question about extlinux: I accidentally installed extlinux on
the wrong partition (I run extlinux -i somewhere beofre mounting my
usb key to somewhere). Now extlinux seems to be stuck in my main hd
partition... how do I remove extlinux from the hard drive?
I mean both the extlinux.sys file and the bits in the partition
table... Could not find any info how to doit.
Thanks.
Paolo
2010 Oct 21
1
SVM classification based on pairwise distance matrix
Dear all,
I am exploring the possibilities for automated classification of my
data. I have successfully used KNN, but was thinking about looking at
SVM (which I did nto use before).
I have a pairwise distance matrix of training observations which are
classified in set classes, and a distance matrix of new observations to
the training ones.
Is it possible to use distance matrices for SVM, and
2005 Mar 03
1
Why Ip addres in lieu of name machine
Hello,
Why must a user connect to the samba server using ip addres of the server.
Any days beofre he uses the server name.
Regards
Jean Frontin
System team
I R I T
Universit? Paul-Sabatier
118, rte de Narbonne
31062 Toulouse cedex 04
France
tel (33)(0)5 61 55 63 03
mail frontin@irit.fr
2009 May 29
1
strange behavior when reading csv - line wraps
Dear All,
I am observing a strange behavior and searching the archives and help
pages didn't help much.
I have a csv with a variable number of fields in each line.
I use
dataPoints <- read.csv(inputFile, head=FALSE, sep=";",fill =TRUE);
to read it in, and it works. But - some lines are long and 'wrap', or
split and continue on the next line. So when I check the dim of
2011 Aug 05
1
Dichotomous variables
Hi everyone,
Have sample of items for each one, a set of 20 dichotomous (absent-present)
variables are expressed. I'm trying to understand how to explore the
co-occurence of each variable.
Read some papers concerning smallest space analysis, but it does not seems
implemented in any R package (and my protamming skills are =0).
Non metric MDS gives error messages, probably because of the
2009 Mar 24
2
install.package("TinnR") - there is no package called 'TinnR'
I have troubles make TinnR 2.2.0.2 work, it seems that the dependency on
the package TinnR that cannot be found (I tried also manual downloads,
but I cannot find the package anywhere on any CRAN mirror).
I even set a default cran mirror in the Rprofile.site file, so that the
later command can find it:
# check necesary packages
necessary = c('TinnR', 'svSocket')
installed =
2020 Mar 27
2
Re: Escape character
On a Friday in 2020, Erik Skultety wrote:
>On Fri, Mar 27, 2020 at 01:48:58PM +0000, Daniel P. Berrangé wrote:
>> On Fri, Mar 27, 2020 at 01:45:21PM +0100, Ján Tomko wrote:
>> > On a Friday in 2020, john doe wrote:
>> > > Hi,
>> > >
>> > > I'm trying to understand how to use the escape character '^]' with the
>> > >
2008 Apr 21
1
ANCOVA
R version 2.6.2 PowerBook G4
Hello R User,
I try to perform an ANCOVA using the glm function.
I have a dataset with continuous and categorical data (explanatory
variables) and my response variable is also binary categorical.
Fehler: NA/NaN/Inf in externem Funktionsaufruf (arg 4)
Zus?tzlich: Warning messages:
1: In Ops.factor(y, mu) : - nicht sinnvoll f?r Faktoren (makes no
sense for
2007 Sep 20
3
Ambiguities in vector
Hello all you helpful people out there!
I am stil R Beginner using R 2.5.1 on a Apple Power Book G4 with Mac
OS X 10.4.10 .
Perhaps you haven?t understood my question in the mail yesterday. So
I will try to describe my problem in a different way
You see the tables. I would like to test the variables between the
tables. But for some variables in some species , I have more than 1
2008 May 29
1
boxplot with text and symbols on x
Hello R-user community!
I am running R 2.7.0 on a Power Book (Tiger). (I am still R and
statistics beginner)
I did the following :
pdf("InLnegthMaxHomogeneity.pdf")
boxplot(inflorescence_length_Max~Sex, main="Bartletts Homogeneity for
inflorescence length",data=FemMal_Sex)
Homo<-bartlett.test(FemMal_Sex$inflorescence_length_Max,FemMal_Sex$Sex)
text( 2, 500,
2007 Oct 10
3
as.dist with diagonal unequal zero
Hello and sorry that I still haven?t found a solution for my problem.
I need to extract the lower and upper triangle from a square matrix
including the diagonal. This diagonal is not zero in that special case.
I tried with as.dist
w<-as.dist(w, diag = TRUE)
> w
1 2 3 4 5
1 0
2 2 0
3 3 8 0
4 4 9 14 0
5 5 10 15 20 0
but found no way to keep the diagonal that is in the
2008 May 05
1
Count data in random Forest
Hello R-user!
I am running R 2.7.0 on a Power Book (Tiger). (I am still R and
statistics beginner)
I try to find the most important variables to divide my dataset as
given in a categorical variable using randomForest.
Is randomForest() able to deal with count data?
Or is there no difference because only the ranks are used in the trees?
Thanks in advance
Birgit
Birgit Lemcke
Institut f?r
2008 May 05
1
Problems using rfImpute
Hello R-user!
I am running R 2.7.0 on a Power Book (Tiger). (I am still R and
statistics beginner)
I tried rfImpute (randomForest) and as far as I understood should it
replace NA`s using a proximity matrix:
> set.seed(100000)
> Subset5Imputed<-rfImpute(Sex~., data=Subset5)
ntree OOB 1 2
300: 11.78% 12.36% 11.21%
ntree OOB 1 2
300: 12.07% 12.64%
2008 Apr 14
1
odfWeave: in multi-page plots only last page appears in document
Dear all,
Max, first of all, many thanks for providing the odfWeave package.
My problem: Whenever I have multiple plots in one single chunk of my
ODF file, only the last plot gets shown. The problem can be reproduced
with this toy example (to be used in an ODF file together with
odfWeave -- I'm using the newest version 0.7.3):
<<plot1, echo=FALSE, fig=TRUE>>=
for (i in 1:3) {
2020 Mar 27
3
Re: Escape character
On Fri, Mar 27, 2020 at 01:45:21PM +0100, Ján Tomko wrote:
> On a Friday in 2020, john doe wrote:
> > Hi,
> >
> > I'm trying to understand how to use the escape character '^]' with the
> > below command:
> >
> > virt-install --name=try06 --graphic none --pxe --network bridge=virbr0
> > --console pty,target_type=serial
> >
> >
2008 Apr 29
1
randomForest and ordered factors
Hello R-user!
I am running R 2.7.0 on a Power Book (Tiger). (I am still R and
statistics beginner)
I try to find the most important variables to divide my dataset as
given in a categorical variable.
code:
Test.rf4<-randomForest(Sex~.,na.action=na.roughfix, data=Subset4,
importance=TRUE, proximity=TRUE, ntree=10000, do.trace=1000,
keep.forest=FALSE)
My dataset contains also ordered
2012 Sep 27
3
problem with nls starting values
Hi
I would like to fit a non-linear regression to the follwoing data:
quantiles<-c(seq(.05,.95,0.05))
slopes<-c( 0.000000e+00, 1.622074e-04 , 3.103918e-03 , 2.169135e-03 ,
9.585523e-04
,1.412327e-03 , 4.288103e-05, -1.351171e-04 , 2.885810e-04 ,-4.574773e-04
, -2.368968e-03, -3.104634e-03, -5.833970e-03, -6.011945e-03, -7.737697e-03
, -8.203058e-03, -7.809603e-03, -6.623985e-03,
2007 Jun 28
5
Repeat if
Hello,
(Power Book G4, Mac OS X, R 2.5.0)
I would like to repeat the function range for 85 Vectors (V1-V85).
I tried with this code:
i<-0
> repeat {
+ i<-i+1
+ if (i<85) next
+ range (Vi, na.rm = TRUE)
+ if (i==85) break
+ }
I presume that the Vi is wrong, because in this syntax i is not known
as a variable. But I don´t know how to say that it is a variable here.
Would be nice if