Gabriel Martins Dias





Improving the bike sharing system with predictions



The community of R

As I described before (in this post), there are six big reasons for start using R and its community is the first one. Why is this the first reason? If you are planning to...


6 reasons why you should start using R

R is a programming language focused on providing tools for statisticians working with data. In the past years, its use has increased and this can be easily explained by the reduction on the costs to...


The use of information processing techniques in WSN simulations

In pursuance of integrating Wireless Sensor Networks (WSNs) with other systems, the use of techniques from other fields, such as machine learning and information processing, are becoming more common. That is, the networks produce information about...


What are the most used Bicing stations?



First Steps with OMNET++

The goal of this post is to clarify the structure of an OMNET++ simulation, explaining how the file structure works and where you should include each part of your simulation. As described in the post...


Network Simulators

Simulators are used to model the components of a system and reproduce results under previously defined conditions. Nowadays, there are many open source network simulators that people can download for personal, academic or commercial...


BicinTime – An app to plan trips using public bicycles



Annotations about the Coefficient of Variation

The Coefficient of Variation (CV) is a way of measuring the variability of a series of numbers. It is calculated by dividing the standard deviation by the mean of the observed values.