> -----Message d'origine----- > De : Pharo-dev [mailto:pharo-dev-boun...@lists.pharo.org] De la part de > Serge Stinckwich > Envoyé : jeudi 3 mars 2016 11:04 > À : Any question about pharo is welcome > Cc : Didier Besset; Souissi Sami; Pharo Development List > Objet : Re: [Pharo-dev] [Pharo-users] Call about Numerical Methods in Pharo > :) > > On Thu, Mar 3, 2016 at 10:43 AM, Blondeau Vincent > <vincent.blond...@worldline.com> wrote: > > Hi, > > > > That's a very good idea. > > For now, I use a Pharo-R binding to make the statistics, but it is better > > if it is > directly in the image. > > > > For my part, it should be nice to have: > > - Principal Component Analysis > > - Time series > > I already a very simple time series class. What kind of operations you want to > do on time series ?
For now, I am not using time series. But one year ago, I was using Holt Winters and Seasonal Decomposition (HoltWinters and stl functions under R). And it is possible that I reuse them in a close future. > > > - Correlation with several variables (Correlation matrix) + > > significance tests (pearson, spearman...) > > - Standard statistical tests: normality, variance, mean, distribution > > - And the more important is to have nice tools to visualize the data (Box > plot, histogram, scatterplots, PCA ones) with a simple API for standard things > but that we can customize. The best is that we are able to draw regression > lines on them. But I think that is more a Roassal part. > > You have to ask Alex to the viz :-) ;) > > Please join the SciSmalltalk ml in order to express your needs ;-) > -- > Serge Stinckwich > UCBN & UMI UMMISCO 209 (IRD/UPMC) > Every DSL ends up being Smalltalk > http://www.doesnotunderstand.org/ !!!************************************************************************************* "Ce message et les pièces jointes sont confidentiels et réservés à l'usage exclusif de ses destinataires. Il peut également être protégé par le secret professionnel. Si vous recevez ce message par erreur, merci d'en avertir immédiatement l'expéditeur et de le détruire. L'intégrité du message ne pouvant être assurée sur Internet, la responsabilité de Worldline ne pourra être recherchée quant au contenu de ce message. Bien que les meilleurs efforts soient faits pour maintenir cette transmission exempte de tout virus, l'expéditeur ne donne aucune garantie à cet égard et sa responsabilité ne saurait être recherchée pour tout dommage résultant d'un virus transmis. This e-mail and the documents attached are confidential and intended solely for the addressee; it may also be privileged. If you receive this e-mail in error, please notify the sender immediately and destroy it. As its integrity cannot be secured on the Internet, the Worldline liability cannot be triggered for the message content. Although the sender endeavours to maintain a computer virus-free network, the sender does not warrant that this transmission is virus-free and will not be liable for any damages resulting from any virus transmitted.!!!"
