Making the data talk Often the files you get, either from the web or from other sources, contain a lot of text and data that you do not want, apart from the data that you do want. Also the data is sometimes sorted in a way that is different from what you want. In those cases you have to tinker with the data. Usually this can be done in a spreadsheet programme. We shall learn some of these so-called data cleansing techniques to strip files down in order to relevant the interesting information .
Figure make good graphs and maps.
To be able to tell your graphics people what to do, you need to know what potential graphs and maps are hidden in the data. And sometimes you can only tell the story after you have seen the map. A guest lecture by Philippe Rekacewicz , cartographer and graphic specialist with Le Monde Diplomatique. Taking it back home Archiving issues. Building your own data archive.