Displaying 20 results from an estimated 1000 matches similar to: "Error on mclust"
2002 Feb 14
1
Subsets in mclust
Dear group,
I want to use the mclust package on large data, and therefore I want to use
a subset in the initial clustering phase. From help(mclust):
k: If `k' is specified, the hierarchical clustering phase will
use a sample of size `k' of the data in the initial
hierarchical clustering phase. The default is to use the
entire data set.
m2 is a
2005 Jan 06
2
Segmentation fault while using Mclust function of mclust library in R-2.0.1
Hi, all;
I got an unusual error while using mclust library 2.1-7 on R 2.0.1.
When I tried to run Mclust(rnorm(100)), I got segmentation fault error.
Does anyone know what causes this problem?
I came across the same problem even when I tried to run the example shown in
Mclust help using iris data.
Thanks in advance,
Tae-Hoon Chung
--------------------------------------------------
Tae-Hoon Chung
2005 Jan 18
1
lme confusion
Hi, this is my first time using the nlme package, and I ran into the
following puzzling problem.
I estimated a mixed effects model using lme, once using groupedData, once
explicitly stating the equations. I had the following outputs. All the
coefficients were similar, but they're always slightly different, making me
think that it's not due to numerical error.
Also, what is the
2003 Sep 11
3
Rgui access violation
Dear All;
While using EMclust() in the mclust package, I frequently
encountered a program error. A message window popped up with the message "
Rgui.exe has generated errors and will be closed by Windows. You will need
to restart the program. An error log is be created."
> version
_
platform i386-pc-mingw32
arch i386
os mingw32
2006 Jan 05
4
Q: R 2.2.1: Memory Management Issues?
Dear Developers:
I have a question about memory management in R 2.2.1 and am wondering if you would be kind enough to help me understand what is going on.
(It has been a few years since I have done software development on Windows, so I apologize in advance if these are easy questions.)
-------------
MY SYSTEM
-------------
I am currently using R (version 2.2.1) on a PC running Windows 2000
2004 Jun 07
2
MCLUST Covariance Parameterization.
Hello all (especially MCLUS users).
I'm trying to make use of the MCLUST package by C. Fraley and A. Raftery. My problem is trying to figure out how the (model) identifier (e.g, EII, VII, VVI, etc.) relates to the covariance matrix. The parameterization of the covariance matrix makes use of the method of decomposition in Banfield and Rraftery (1993) and Fraley and Raftery (2002) where
2005 Oct 21
1
finite mixture model (2-component gaussian): plotting component gaussian components?
Dear Knowledgeable R Community Members,
Please excuse my ignorance, I apologize in advance if this is an easy question, but I am a bit stumped and could use a little guidance.
I have a finite mixture modeling problem -- for example, a 2-component gaussian mixture -- where the components have a large overlap, and
I am trying to use the "mclust" package to solve this problem.
I need
2004 Oct 04
3
Help with normal distributions
Hi
I have two questions, the first perhaps dumber than the second.
Firstly, I have a data set, and when I plot a histogram it looks like a
normal distribution. So I want to overlay a bell-shaped normal
distribution on top of it, to demonstrate how similar it is to the
normal distribution. I have read the help on dnorm(), rnorm(), pnorm()
etc but still can't figure out how to plot a normal
2006 Mar 06
2
[Q] BIC as a goodness-of-fit stat
Dear R-List
I have a question about how to interpret BIC as a goodness-of-fit statistic.
I was trying to use "EMclust" and other "mclust" library and found that BIC
was used as a goodness-of-fit statistic.
Although I know that smaller BIC indicates a better fit, it is not clear to
me how good a fit is by reading a BIC number. Is there a standard way of
interpreting a BIC
2010 Jan 06
1
positive log likelihood and BIC values from mCLUST analysis
My question is with respect to mCLUST and the values of BIC and log
likelihood. The relevant part of my R script is:
######################### BEGIN MDS ANALYSIS #########################
#load data
data <- read.table("Ecoli33_Barry.dis", header = TRUE, row.names = 1)
#perform MDS Scaling
mds <- metaMDS(data, k = Dimensions, trymax = 20, autotransform =TRUE,
noshare = 0.1,
2003 Apr 23
1
clustering
Dear R-users,
I have a two - dimensional data set which needs to be clustered into
groups:
I'm searching for groups of points which show a positive
correlation (in a twodimensional plot of the data set), but I do not have
any knowledge about how many groups there might be.
Do you know of a clustering algorithm in R (or
in general) which can use a-priori information about the cluster's
2005 Oct 22
0
package mclust: cdens, EMclust?
Dear Knowledgeable R Community Members,
Please excuse my ignorance -- I apologize in advance
if this is an easy question, but I am a bit stumped
and could use a little guidance regarding parameters
in 2 functions in the "mclust" package.
--------------------
PROBLEM DESCRIPTION
--------------------
I have a finite mixture modeling problem -- for
example, a 2-component gaussian
2002 Dec 13
1
clustering dissimilarities
Hello. I know my dissimilarity matrix but not my original data. Is there any way i could use the clustering function Mclust or EMclust with this dissimilarity matrix? or at least some equivalent of these functions? As this is model based clustering i dont know if it is actually possible to do it without the original data
thanks in advance for your help
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2009 Jan 16
1
installing mclust and flexmix on linux
I've been trying to install some R packages such as mclust and flexmix on linux but have had the following error messages.
> I've been trying to install mclust on my notebook which has linpus linux lite os and I have installed R as well as some packages all right. However, when I tried to install mclust, it gave me the following messages. Any suggestions?
Tim
++++++++++++++++
2005 Jul 19
1
Library mclust in 64bit compiled R
Hi, All;
I tried to use library mclust in 64-bit compiled R 2.0.1 but failed.
Installation went smoothly without any warning or error. However, when I
tried to use them with the following simple code, it crashed.
Library(mclust)
Dat <- c(rnorm(20, mean=0, sd=0.2), rnorm(30, mean=1, sd=0.2))
Ind <- Mclust(dat, 1, 5)$classification
cbind(Dat, Ind)
The error message was:
2003 Dec 18
3
mclust - clustering by spatial patterns
Dear All,
I have spatial data (presence/absence for 4000 squares) on 250 bird
species and would like to use a model-based clustering technique to
test for species associations. Is there any way of passing a
distance/correlation matrix to mclust as with hclust, rather than the
actual data? Or alternatively, is there a way of getting mclust to
handle binary data?
I'd appreciate any
2011 Dec 09
1
mclust
While looking at someone's question on this list led me to the mclust
package, and from there to its license.
Excerpts:
Except for strict academic use, use of MCLUST (by itself or through other
packages) requires payment of an annual license fee and completion of a
license agreement found at the following URL:
http://depts.washington.edu/ventures/UW_Technology/Express_Licenses/mclust.php
1.
2008 Jul 21
1
Mclust - which cluster is each observation in?
I'm trying to test a method of identifying individuals (birds) based on
measured data (their calls).
I have test data from known individual birds, and I am using the Mclust
package to see if the program can correctly identify which calls come from
different birds.
So far, mclust has correctly ID'd the number of birds in the test data set
(i.e., the correct # of clusters). However I
2011 Sep 04
2
mclust: modelName="E" vs modelName="V"
Hi,
I'm trying to use the library mclust for gaussian mixture on a numeric
vector. The function Mclust(data,G=3) is working fine but the fitting is not
optimal and is using modelNames="E". When I'm trying
Mclust(data,G=3,modelName="V") I have the following message:
Error in if (Sumry$G > 1) ans[c(orderedNames, "z")] else ans[orderedNames] :
argument is
2003 Apr 24
1
estimating number of clusters ("Null or more")
Hi all,
once more about the old subj :-)
My data has too much various distribution families and for every
particular experiment
I need just to decide whether the data is "quite homogeneous" or it has
two or more
clusters. I've revisited the following libraries:
amap, clust, cclust, mclust, multiv, normix, survey.
And I didn't find any ready-to-use general