similar to: Avoiding choosing parameters with mix[mixdist]

Displaying 20 results from an estimated 100 matches similar to: "Avoiding choosing parameters with mix[mixdist]"

2012 Nov 20
0
double gaussian with mixdist: what's wrong?
Dear all, I am trying to fit a double gaussian to some data using the mixdist package: --- begin code --- ? library(mixdist) ? time <- seq(673,723) ??counts <- c(3,12,8,12,18,24,39,48,64,88,101,132,198,253,331,419,563,781,1134,1423,1842,2505,374,6099,9343,13009, ? ? ? ? ? ? ? ? ? ?15097,13712,9969,6785,4742,3626,3794,4737,5494,5656,4806,3474,2165,1290,799,431,213,137,66,57,41,35,27,27,27) ?
2009 Sep 25
0
Error with Mixdist in R
Dear R User, I am an electrical engineering student and have just come across a curve fitting problem. I need to find the constituent Gaussian distribution curves fitting the data attached in Workbook1.txt here. I tried to use Mixdist on R but ran into following problem. Can you suggest me where I am going wrong? > super <-read.table("Workbook1.txt",,sep ="\t") >
2007 Jun 20
1
How to use "mix" to estimate the parameters for mixture gamma distribution?
Dear R users, Please help me on using "mix" function under package "mixdist". My data distribution shows there are two components for the mixture distribution: left part is an exponential and right part is a normal. So I plan to use "gamma" mixture distribution to estimate the parameters. Here is what I am using for the "mix" function. Test<-mix(x,
2010 Apr 09
5
Read data in sequences
Dear R users, I tried to find a solution in the search list, but I cannot find it. I would like to read a .txt file with, let say, three variables, with two of which have repeated values in a number a columns. An example: The variables: Treat, x1, x2. The values: A 2.5 3.4 2.7 5.6 5.7 5.4 10.1 9.4 ... B 5.3 5.4 6.5 7.5 1.3 4.5 10.5 4.1 ... ... In the first column, the letters represent the
2009 Apr 22
0
comparing mixture models (mix function in mixdist package)
Dear List, We are using the mix() function in the mixdist package to fit mixture models to some of our data. The package provides a function to compare the fits of nested models using an ANOVA function. However, we were wondering whether there are methods that can be used to compare models that differ in the number of distributions fitted and/or the shape of the distributions. Is there a way,
2009 Jul 26
0
mixdist package in R
Hi, All, I fitted a 3-component normal mixture model with the mixdist package in R. How can I get the density of a new data after I fit the model? Is there any function to do it? Thanks, Cindy [[alternative HTML version deleted]]
2011 Feb 23
0
Over-constrained? gamma mixtures using R: mix{mixdist}
Dear R-help, my aim is to fit a constrained 2 component gamma mixture using mix within package mixdist. The constraints being fixing both of the means and both of the sigmas. Thus the only unconstrained parameter I wish to fit is pi the proportions of the mixtures. This is the code I used: PP2Pars<-data.frame(c(0.23,0.77), c(9.174,29.54), c(9.983,12.369));
2012 Jun 21
1
install package mixdist
Hi all, I'm trying to install the mixdist package with: install.packages("mixdist") But I'm getting the following errors: * installing *source* package ‘mixdist’ ... ** R ** data ** preparing package for lazy loading ** help *** installing help indices ** building package indices ... Warning in utils::data(list = f, package = package, lib.loc = lib.loc, envir = dataEnv) :
2009 May 19
0
File too big for filehash?
Dear R users, I try to use a very large file (~3 Gib) with the filehash package. The length of the dataset is around 4,000,000 obs. I get this message from R while trying to "load" the dataset (named "cc084.csv"): > dumpDF(read.csv("cc084.csv", header=T), dbName="db01") Erreur : impossible d'allouer un vecteur de taille 15.6 Mo (French) Error:
2007 Aug 28
3
Interpreting the eigen value of a population matrix (2nd try)
Thanks for telling me that you could not get my message, I hope this work better... so my question was: I built a population matrix to which I applied the fonction eigen in order to find the main parameters about my population. I know that the first eigen value correspond to lambda or exponential growth rate of my population. My problem is that I want to have the 95% confidence interval of the
2007 Sep 28
1
fitted values in LMER for the fixed-effects only
Hi, I would like to extract the fitted values from a model using LMER but only for the fix portion of the model and not for the fix and random portion (e.g it is the procedure outpm or outp in SAS). I am aware of the procedure fitted() but I not sure it give the fitted values both for the fixed and random or only the fixed. I looked in the r help and the r list and I haven?t not found much
2005 Sep 02
4
Receptionist
Hi, Quick question. With an old phone system a receptionist receiving a call has 1 button to push to transfer calls to a specific extension, with Asterisk, a receptionist would actually put the caller on hold, pick up another line, call the extension, ask if the person is available, hang up pick up the caller again and transfer. To me it's seems a long way to simply do a receptionist
2002 Nov 10
1
Samba PDC problem: Please help me avoid a mutiny! :-)
I've been beating my head against this one and just can't figure it out. I hope someone here may have an answer. The employees using the workstations on this network are getting increasingly upset with this problem. The problem is wildly varying logon and logoff times over the network. This is definitely not a matter of long profile transfers. An individual can log onto a workstation
2011 Nov 03
2
optimising a loop
Dear R community, I'm trying to remove a loop from my code but I'm stock and I can't find a good way to do it. Hopefully one of you will have something clever to propose. Here is a simplified example: I have a squared matrix: > nom.plac2 <- c("102", "103", "301", "303","304", "403") > poids2 <- matrix(NA, 6,6,
2003 Jan 09
1
RNG.c: unif_rand, MARSAGLIA_MULTICARRY (PR#2437)
Full_Name: Richard Simard Version: OS: Linux Submission from: (NULL) (132.204.25.139) In the random number generator MARSAGLIA_MULTICARRY, your algorithm is different than the one in the original reference that you give in the R manual: Marsaglia in his post to the mailing list {\it sci.stat.math} on September 29, 1997. The last line in the R program has a ^ while Marsaglia's algorithm has
2002 Dec 24
3
Oplock break request failures
I hope someone can enlighten me on this. Situation: NT network, Samba PDC, about 20 NT 4.0 workstations. log(s).smbd are created per machine for easier analysis (as log.smbd.<NetBios Name>). Not often, but often enough to be of concern, are errors in request_oplock_break that seem to indicate that another smbd process that should be listening for break requests on a UDP socket
2002 Dec 19
0
Generic smb.conf file
Hi, Does anybody know where I can get an untouched smb.conf file? When I used samba-swat, it rewrote smb.conf and deleted out the comments that was in the original file that came with samba. Minh --- samba-request@lists.samba.org wrote: > Send samba mailing list submissions to > samba@lists.samba.org > > To subscribe or unsubscribe via the World Wide Web, > visit >
2009 Jul 26
1
normal mixture model
Hi, All, I want to fit a normal mixture model. Which package in R is best for this? I was using the package 'mixdist', but I need to group the data into groups before fitting model, and different groupings seem to lead to different results. What other package can I use which is stable? And are there packages that can automatically determine the number of components? Thank you, Cindy
2005 Aug 26
2
Fitting data to gaussian distributions
Hi! I need to fit a data that shows up as two gaussians partially superimposed to the corresponding gaussian distributions, i.e. data=c(rnorm(100,5,2),rnorm(100,-6,1)) I figured it out how to do it with mle or fitdistr when only one gaussian is necessary, but not with two or more. Is there a function in R to do this? Thank you very much in advance, Luis
2009 Jun 13
1
Fitting Mixture of Non-Central Student's t Distributions
Dear all, I am attempting to model some one-dimensional data using a mixture model of non-central Student's t distributions. However, I haven't been able to find any R package that provides this functionality. Could there be a way to "manipulate" the EM algorithms from the mixdist or mixtools package to fit the model, or do you have any other suggestions? If anyone could help