similar to: Independent Components Analysis

Hi all, Does anyone know how to get the independent components and loadings from an Independent Component Analysis (ICA), as well as principal components and loadings from a Pricipal Component analysis (PCA) using the fastICA package? Or perhaps if there's another way to do ICAs in R? Below is an example from the fastICA manual (http://cran.r-project.org/web/packages/fastICA/fastICA.pdf)

Hi all, I'm new to PCA in R, so this might be a basical thing, but I cannot find anything on the net about it. I need to make a PCA plot with two response variables (df$resp1 and df$resp2) against eight metabolites (df$met1, df$met2, ...) and I don't have a clue how to do... and I've only used the simplest PCAs before, like this: pcaObj=prcomp(t(df[idx, c(40:47)]))

Hello, I think to use FastICA package for microarray data clusterization, but one question stops me: can I know how much variance explain each component (or all components together) ? I will be very thankful for the help. Thanks, Pavel [[alternative HTML version deleted]]

Hi, Looking at the fastICA library. I want to test separating out different sounds from a recorded wav file. But, I only have a SINGLE stream of data (one channel wav.) It appears as if the fastICA won't let me separate more sounds than I have columns in my data matrix. is this correct? If so, is there a work around that is commonly used? Thanks. -- Noah Silverman UCLA Department of

Dear Fred, If x1 and x2 are *not* normally distributed, you can use independent component analysis (ICA) which is based on the idea that x will be "more normal" than either x1 and x2 following the central limit theorem. See package(fastICA) by JL Marchini, C Heaton, and BD Ripley for details. HTH Thomas > -----Original Message----- > From: Feng Zhang [mailto:f0z6305 at

Dear list I have a vector of values that allegedly have a bivariate normal distribution. I want to create a plot that shows the values I have obtained, and the bivariate normal distribution curve for the data. Is there a way of doing this in R? Many thanks for your help, Sarah. --------------------------------- [[alternative HTML version deleted]]

Hello, I am trying to use independent component regression inside the caret package. I ran into the error message below. All entries in the formula are dataframe column names. Any help is appreciated. icrFit <- icr(AUV ~ SPTR + NDDUEAFE + RU20INTR + LBUSTRUU + LF98TRUU + SPTRMDCP,Test,n.comp = 6) Error in fastICA::fastICA(x[, method$ica, drop = FALSE], ...) : unused argument (weights =

Hi, I'm trying to use fastICA package but I only get an error message like following. > library(fastICA) Error in dyn.load(file, DLLpath = DLLpath, ...) : unable to load shared library '/usr/lib/R/library/fastICA/libs/fastICA.so': /usr/lib/R/library/fastICA/libs/fastICA.so: undefined symbol: sgesdd_ Error: package/namespace load failed for 'fastICA' Here's the

Thank you for posting the doco link, Jordan! The first thing I read is that, for Windows ? it only runs on: * Windows Vista * Windows 7 * Windows 8. Which is a problem ? as I am running Windows 10. ? Are you able to confirm which of the following statements is true: 1. The doco hasn?t been updated ? it does run on W10, or 2. W10 is indeed not supported? Thanks, Andrew

I have just released an Alpha version of my redwood email client, written with wxruby. It uses toolbars, menus, and lots of widget layouts, plus it launches two kinds of background tasks. I learned a lot about wxruby and wxwindows as I worked on it, so I hope you will benefit from seeing the source code. It is at: http://rubyforge.org/projects/redwood/ Please give me feedback on the code,

Hi All: Package TSERIES is stated to depend on MVA. However, there is no MVA package to be found under the list of package sources. Best wishes, ANDREW tseries: Package for time series analysis Package for time series analysis with emphasis on non-linear and non-stationary modelling Version: 0.7-6 Depends: ts, mva, quadprog Date: 2001-08-27 Author: Compiled by Adrian

You posted this message to the list, I'm not a mod and I can read it. For March, I do not see any other post made by you. It clearly says WHY your post was rejected: "Message body is too big: 59787 bytes with a limit of 40 KB" I suspect this was an automated action. Re-write your original post so that it isn't too large (likely caused by attachments), and re-send it. On

Thank you very much for your email, DT. Yes, I did see that msg about taking up too many bytes ? but I never received the promised email from the mods, telling me it had been rejected! So I assumed it had been posted ? and wanted to read the thread. My problem is ? I cannot see how to read Icecast threads. Any advice? Rgds, Andrew From: Icecast <icecast-bounces at

Hi everyone It looks like repeated runs of fastICA produce quite significantly different mixing matrices (not only in terms of sign and row order). I'm not a specialist, so would appreciate any advice on whether this should really be the case: > res3 = > fastICA(af[,2:20],4,alg.typ="parallel",fun="logcosh",alpha=1,method="C",row.norm=TRUE) colstandard >

Two weeks ago we switched all our IMAP users (around 25,000) from the Washington IMAP server to Dovecot, and since then there have been several occasions when reading new email just hangs, and duplicate emails appear. We are using the 'snarf' plugin to copy new email to the inbox, and it looks as though the problems are caused by file locking. We have been using the Washington IMAP server

Thank you, D.T. Now, you wrote below: ?Since you are reading this post, means you are receiving the list messages, so all is good?. Do you mean by this ? that interacting with the Icecast user group is simply by sending & receiving email messages ? ie. to specific people (like your good self)? IE. there is no ?Forum?, as such, where I can view different topics and follow the various

We recently moved all our users from the Washington IMAP server to Dovecot. There has been a substantial improvement in performance, but some users are reporting duplicate messages, and we see 'Stale NFS file handle' errors in the syslog. Does anyone know what would cause this ? The errors relate to the index file, eg. Nov 29 00:49:47 imap-e.ucl.ac.uk dovecot: [ID 107833 mail.error]

On Fri, 2023-03-24 at 21:45 +1100, redwood.andrew at gmail.com wrote: > ? > Yes, I did see that msg about taking up too many bytes ? but I never > received the promised email from the mods, telling me it had been > rejected!? So I assumed it had been posted ? and wanted to read the > thread. Sure, you can wait for the moderator's decision. How long, we do not know. Or you can

Thank you, Johan. I clicked on the bat file ? and up came a nice screen saying something like ?load http://localhost:8000 into your browser?. ? (Sorry for not being precise ? my email is on a different computer to the dedicated one for Roon, on a different floor of the house.) So I did just that ? and got a nice screen which said ?Icecast2 Status?. So what do I need to do next?

Greetings Group I think the Word crashing problem is quite common and does not confine itself to Samba as PDC. Running Word with any file open on a Samba server seems to invite trouble and file trashing. This seems to more of a problem with Win2000 and XP than Win9X and NT. I suspect that Micorsoft have "improved" the code to "optimise" performance for Micorsoft