All free and certifying MOOC training on data visualization

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What is data visualization and what is its usefulness?

Data visualization is a set of graphical representation methods, in two or three dimensions, to visualize complex sets of data very simply. This technique is enormously used in the creation of statistics. A large number of digital information is represented in the form of encrypted data, the dataviz (or visualization of data) therefore allows, for example, to represent this information in the form of Excel charts, so that they are easily exploitable.

Data visualization and the R language

The R language is both a programming language for data science, but also free software for statistical analysis. R will be particularly good at handling data and displaying graphics. It includes a documentation system, processing procedures, data storage capabilities, advanced graphical procedures and of course a simple and effective programming language for quick start-up.