Re: [gentoo-user] Re: Modelling software - free - preferably easy to install under Gentoo.
Steve [Gentoo] escribió: On Sat, Jun 16, 2007 at 05:22:47PM +, James wrote: Matlab is the standard for mathematical analysis of all sorts of phenomenon, from a mathematical perspective. I'm familiar with Matlab... you're the second person to mention Octave... I would like to do some analysis on these signals to see if there are any interesting things that can be demonstrated - for example, if I could show a strong correlation in the signals between two times, but none at other times, I might be able to conclude that there was communication of some description, but only for a fixed duration. Very unclear what you are saying. Are these signals related to events in your network? More information will help. I agree - Not only was my post unclear, but I'm unclear about what I want too. :-) My data, in reality, consists national statistics - and my self-appointed challenge is to establish if, subject to appropriate analysis, they will expose undocumented trends or other anomalies. I don't know what trends or anomalies I want to find until I discover them... but I suspect that, once found, they'd be interesting. :-) 'exi octave' reveals: Octave is a good suggestion - but probably not what I need. I've been pointed at "R" ( http://www.r-project.org/ ) which looks more hopeful, though I can't find it in portage. If there were an interactive GUI to apply standard statistical analyses to data as a front-end to R, then that would likely be just what I want. Failing that - just finding R in portage would be a step forwards. I'd be very interested to know if R has competition... R is indeed in portage, you may have not found it due to it being uppercase. Try the following: emerge -pv R # Remember: type 'R' and not 'r' Also, R has commercial alternatives, such as S and S+, but I'm sure you prefer the free version ;-). HTH, Abraham -- -- [EMAIL PROTECTED] mailing list
Re: [gentoo-user] Re: Modelling software - free - preferably easy to install under Gentoo.
On Sat, Jun 16, 2007 at 05:22:47PM +, James wrote: > Matlab is the standard for mathematical analysis of all sorts of > phenomenon, from a mathematical perspective. I'm familiar with Matlab... you're the second person to mention Octave... > > I would like to do some analysis on these signals to see if there are > > any interesting things that can be demonstrated - for example, if I > > could show a strong correlation in the signals between two times, but > > none at other times, I might be able to conclude that there was > > communication of some description, but only for a fixed duration. > > Very unclear what you are saying. Are these signals related to events in > your network? More information will help. I agree - Not only was my post unclear, but I'm unclear about what I want too. :-) My data, in reality, consists national statistics - and my self-appointed challenge is to establish if, subject to appropriate analysis, they will expose undocumented trends or other anomalies. I don't know what trends or anomalies I want to find until I discover them... but I suspect that, once found, they'd be interesting. :-) > 'exi octave' reveals: Octave is a good suggestion - but probably not what I need. I've been pointed at "R" ( http://www.r-project.org/ ) which looks more hopeful, though I can't find it in portage. If there were an interactive GUI to apply standard statistical analyses to data as a front-end to R, then that would likely be just what I want. Failing that - just finding R in portage would be a step forwards. I'd be very interested to know if R has competition... -- [EMAIL PROTECTED] mailing list
[gentoo-user] Re: Modelling software - free - preferably easy to install under Gentoo.
Steve [Gentoo] shic.co.uk> writes: > > I have some (say 100) discrete data sequences sampling a single analogue > system with time-stamp data. > It's unclear what you are after. Advice on which mathematical approaches will work or which software contains those mathematical approaches? Matlab is the standard for mathematical analysis of all sorts of phenomenon, from a mathematical perspective. > I would like to do some analysis on these signals to see if there are > any interesting things that can be demonstrated - for example, if I > could show a strong correlation in the signals between two times, but > none at other times, I might be able to conclude that there was > communication of some description, but only for a fixed duration. Very unclear what you are saying. Are these signals related to events in your network? More information will help. > > At the moment I'm open minded about what kind of software I'd want to > employ - and also about what I'd like to prove. Essentially, I'd like > to analyse the data for features - then ask if they correspond with > system events I'm already broadly aware about (rather than vice-versa.) > Can anyone point me in the right direction, please? You might want to 'cd /usr/portage' and then pick a dir... 'cd sci-mathematics' and emerge some software who's description you find potentially interesting for example 'exi octave' reveals: * sci-mathematics/koctave Available versions: 0.65-r1 Homepage:http://athlone.ath.cx/~matti/kde/koctave/ Description: A KDE GUI for Octave numerical computing system * sci-mathematics/octave Available versions: 2.1.57-r1 2.1.69 ~2.1.71-r2 ~2.1.72 2.1.73 ~2.1.73-r1 ~2.1.73-r2 Homepage:http://www.octave.org/ Description: GNU Octave is a high-level language (MatLab compatible) intended for numerical computations * sci-mathematics/octave-forge Available versions: ~2004.11.16-r1 2004.11.16-r2 ~2005.06.13 ~2005.06.13-r1 ~2006.01.28 2006.03.17 ~2006.03.17-r1 Homepage:http://octave.sourceforge.net/ Description: A collection of custom scripts, functions and extensions for GNU Octave hth, James -- [EMAIL PROTECTED] mailing list
