similar to: Statistically significant in linear and non-linear model

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Hi everyone, I have a question about using RWeka package? we know that instruction make_Weka_classifier that can help us to build a model,and evaluate_Weka_classifier instruction can help us to evaluate the performance of the model using on new data. But I have a question about how to using the parameter numFold in evaluate_Weka_classifier.Cross-validation means that using some parts to

Hello I'm running into a variety of limitations with my computer complaining that it doesn't have sufficient memory. It is a Dell Latitude D630 Duo Core CPU T7700 @ 2.40 GHz, with 3.50 GB RAM. I'm working with relatively large dataframes > dim(AllYears) returns 4071840 records with 13variables sometimes this complains that it can not allocate vectors of 16.0 Mb and will

Hi everyone, I am attempting to connect an already existing mysql database with Rails. For This I can''t use the traditional "generate scaffold" and "rake db:migrate" because (I think), I''ll loose the data already existing in that database table. So what I did was, I generated a scaffold for my table, and instead of running db:migrate, I added a

Hi guys, I am really new to these things like ROR and Postgres. When I was installing ROR 3.0 it says Successfully installed rails 3.0.0 beta 1 gem installed Installing ri document for rails 3.0.0 beta File not Found: lib This is the one which I really dont understand and dont know what to do? Help me out guys plz... And I want to configure the database with postgresql and I want to know how

Hello everyone, I would like to eager load scoped records to avoid queries executed in a loop (huge performance impact). The "scoped" part is what is giving me a hard time. I''m using Rails3 RC. Does anyone have any idea how I can do it? Here is a test case : we have an "Article" and a "Comment" Activerecord models, article has many comments comment

Hi, Attached is a patch to 1.2.1pre18 that includes a number of portability changes, and more a more complete HPUX10.20 implementation. Thanks to Ben Taylor's utmpx patch, utmpx and wtmpx support are now in for HP, with a few caveats. It compiles cleanly on HPUX10.20 with gcc, cleanly on Linux, and with a few minor warnings on Solaris 2.6. Most compat changes are made via autoconf which

I could not find a package to run panel data unit root tests in R (there's a STATA module, though - PANELUNIT- and routines for Sarno and Taylor's MADF test, Levin-Lin-Chu's test, Im-Pesaran-Shin's Test, etc, to do this). Hence, I am toying with the idea of having a go at writing up one for R, but would like to know whether anyone is already working on this. José Mr

I must use Windows for Streaming. and the interface must be an port or something else, because the software interface runs on a dedicated server. ----- Original Message ----- From: "Ricardo Galli" <gallir@uib.es> To: <icecast-dev@xiph.org> Sent: Wednesday, February 25, 2004 10:10 AM Subject: Re: [icecast-dev] I need a Freelance Coder... <p>> On Wednesday 25 February

Hi, Does anyone read Verbeek's "A Guide to Modern Econometrics"? In its Section 4.11, how does the last two equations' HAC calculate? I've tried several groups of parameters in sandwich::NeweyWest, but I still cannot get the same result. I've tried lag=2 and lag=3, as long as prewhite=FALSE and prewhite=TRUE yet, but... Sincerely Hsiao-nan Cheung

2013/2/27 Jos? Luis Artuch <artuch at speedy.com.ar> > The stream in ogg is never present or is not present only when the mp3 > stream is down ?. > No if a browser does not support mp3 it will jump to the ogg source, same the other way. you use the same for H264/webm fallback > Are you using Icecast2 ? ... In http://www.radiogalere.org:8080 I can > not see mountpoints :(

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Huh, why not just use ices with a perl song choser module ? This eliminates the need to develop the libshout based streamer (use ices instead) and give ices the title from your module, ices will take care of the rest. Or I am wrong ? :) On Wed, 25 Feb 2004, Renaud Waldura wrote: > For what's it's worth, I do something similar to this

Hello I can't figure out how to handle errors in R. I have a loop, e.g. for (i in 2:n) { . fit <- nls(model), start=list if any type of error occur write i to a text file . } I putted ?try? around the nls-expression and this let me run through the loop without R stopping (which I want because each loop takes some time so I do not want it to stop), but I also want to capture the

Dear R mailing list members, ? I am trying to find a way to assign samples into groups depending on their mathematical distribution in a computational way (that is, looped many times). My input is by row, a series of 34 samples per row with n rows. The goal would be to compute the distribution of row n and assign for that row n the samples into bins that would match the distribution of the given

Sorry for the contents not relating to R. Assume there are N i.i.d zero-mean complex gaussian random variables(RVs),as w(i),0<=i<N} with known variance,from which one can generate another N RVs,as R(0)=sum over i {w(i)*w'(i)} R(1)=sum over i {w(i+1)*w'(i)} ... up to R(N-1)= w(N-1)w'(i) where w'(i) is the complex conjugate of w(i). (from viewpoint of signal

Rers: I have some ecological data (stream velocity vs. % cover of submerged weeds) that shows strong evidence of a thresholding step-function, e.g. below some velocity, % cover ranges from 0% to 100% (with no apparent relationship to velocity within this range of velocities), but above a certain "threshold" velocity, the % cover does not appear to exceed, say, 10%. There are good

Hi All, Say I have the values of function f(x1,x2,x3,x4) for each values of x1,x2,x3,x4 but not complete. But the functional form is not known. Techniques like regression, etc. are not able to give me satisfactory results and msy be more complex than we thought. I wanted to use Taylor's approximation to continuous function, to approximate a functional form using the given data. But failed

For what's it's worth, I do something similar to this with Andrew Taylor's libshout-java. The Web server manages a playlist, letting users add/remove tracks from the playlist. This playlist is consumed by a "streamer" process that accesses the audio data and pushes it to the Icecast server. [ Java Web Server ] <------> [ Playlist ] |

Hi, Samba list readers, I am forwarding these mails from one of the Linuxprinting.org lists to you (with the $SUBJECT changed by me), because surely some of you must have been bitten by this too.... This problem is verified on W2K (but not yet for NT/ME/XP/9x). Cheers, Kurt ################# problem description by Elena Khan #################### -------- Original Message -------- To:

Since 2008, Microsoft (formerly Revolution Analytics) staff and guests have written about R every weekday at the Revolutions blog (http://blog.revolutionanalytics.com) and every month I post a summary of articles from the previous month of particular interest to readers of r-help. In case you missed them, here are some articles related to R from the month of August: Using the featurizeText