Rechercher des villes et les placer sur une carte avec OpenStreetMap et RSearch and draw cities on a map using OpenStreetMap and R

(this tutorial can also by used dummies in geography…) This tutorial explains how to build a map from a matrix containing city names and corresponding country codes, as well as, eventually a frequency attached to each country. The script first find thanks to the nice open projet Open Street Map the coordinates of the corresponding …

Installer le package R ‘rmr2’ (élément de RHadoop) sans HadoopInstalling R package ‘rmr2’ (part of RHadoop) without Hadoop

For pedagogical purposes, I needed to install rmr2, which is an R package designed to perform mapreduce code in R. This package is part of the RHadoop project which aims at allowing users to manage and analyze data with Hadoop in R. I followed two strategies: the first one (not shown in this tutorial) consisted …

Sauvegarde automatique avec le backup FTP d’un serveur kimsufi

Ce tutoriel explique comment automatiser une tâche de sauvegarde de répertoires spécifique d’un serveur kimsufi sur le backup FTP d’OVH. Le tutoriel est conçu pour une distribution Ubuntu server 12.04 LTS et fortement inspiré par celui-ci. L’automatisation de la tâche de sauvegarde utilise le package backup-manager disponible dans les dépôts Ubuntu : sudo apt-get install …

Installer les packages R pour le cours “Getting and Cleaning Data” (coursera)Install R packages for the course “Getting and Cleaning Data” (coursera)

This post explains how to install all (or at least most of) the R packages described in the MOOC “Getting and Cleaning Data” offered by Johns Hopkins University on the MOOC coursera if you’re using Ubuntu. Moreover, it gives pratical advices for staying up-to-date with your R installation on this OS. R installation: CRAN repository …

Utiliser biber et biblatex pour gérer la bibliographie de votre thèseUsing biber and biblatex for managing the bibliography of your PhD thesis

Installing biber and biblatex biber is a alternative solution to bibtex for generating bibliography. Combined with the biblatex package, it provides powerful tools for sorting and formatting a bibliography in LaTeX. On the latest LTS release of Ubuntu (12.04, precise pangolin), biblatex is provided as a distribution package but not biber. This section explains how …

Installer Ubuntu Satanic Edition sur Xubuntu 12.04 LTSInstalling Ubuntu Satanic Edition on Xubuntu 12.04 LTS

The famous Satanic Edition installation is well documented for its integration with Ubuntu and Kubuntu. However, for Xubuntu, a few adaptations must be made to use its awesome design. This tutorial gives a step-by-step satanic edition install for Xubuntu (latest long term support version, 12.04). This post is dedicated to my beloved colleague Victor P, …