Some data visualisations can be perceived as something more than figurative representations of numerical or statistical analyses, and certain examples of infographics give us something more than simply visual information. Often it is the design that fascinates us, and even the idea it expresses. Sometimes it is also the objective…

Oscar Rojo

This is a simple demonstration of finding the shortest path between two nodes on a map

Abstract OpenStreetMap provides freely accessible and editable geographic data. The osmar package smoothly integrates the OpenStreetMap project into the R ecosystem. The osmar package provides infrastructure to access OpenStreetMap data from different…

Anscombe’s quartet comprises four data sets that have nearly identical simple descriptive statistics, yet have very different distributions and appear very different when graphed. Each dataset consists of eleven (x,y) points. They were constructed in 1973 by the statistician Francis Anscombe to demonstrate both the importance of graphing data before…

“You won’t go to bed without knowing something else” is a saying that refers to the idea that every day we learn something new.

This phrase highlights the nature of our lifelong learning, which is continuous and unstoppable, which increases day by day with small things: a new activity, information…

A little bit of history

Abacus is a Latin word that has its origins in the Greek words abax or abakon (meaning “table” or “tablet”) which in turn, possibly originated from the Semitic word abq, meaning “sand”. The abacus is one of many types of counting devices which are used to count large numbers. …

Oscar Rojo

Master in Data Science. Passionate about learning new skills. Former branch risk analyst. https://www.linkedin.com/in/oscar-rojo-martin/. www.oscarrojo.es

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