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  • 28/02/2019

    In this second article on the application of evolutionary algorithms to the optimization of the design of neural networks, I am going to provide a small sample application that allows you to build and train networks, in addition to using this type of algorithms to find the best configuration for a given data set. The application allows generating artificial test data, and I provide the source code for you to be able to modify it, as you want.

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    Data analytics related sections view
  • 11/03/2018

    In previous articles I presented a home video surveillance system, the ThiefWatcher application. It is an extensible application that works combining several protocols, such as cameras, triggers, communication channels and storage systems. In this article I will show how to implement some of these protocols using the Microsoft Kinect sensor.

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    Sections related to hardware and peripheralsKinect
  • 23/06/2017

    This is the last article of the series dedicated to the WinCA application. This application allows the edition and to execution of cellular automata. To finish, I will review the code that implements the automaton itself, using all the classes and interfaces explained in the previous articles.

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    Data analytics related sections viewCellular automata
  • 02/06/2017

    I continue explaining the basics of the WinCA application code, dedicated to the designing and execution of cellular automata. This time I will tell you about the implementation of the cells and other auxiliary classes needed to build and execute automata.

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    Data analytics related sections viewCellular automata
  • 26/05/2017

    We continue with the series dedicated to cellular automata and the WinCA application, dedicated to build and executing them. In this article I will explain the code related to the expression system that allows establishing the conditions to change from one state to another.

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    Data analytics related sections viewCellular automata
  • 19/05/2017

    I continue to comment on the source code of the WinCA program, dedicated to cellular automata. In this article I will explain the interfaces and classes with which cell states are implemented and their edition. You can use these interfaces and classes as a basis to extend the application features.

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    Data analytics related sections viewCellular automata
  • 12/05/2017

    Once reviewed the operation of the WinCA application, dedicated to cellular automata, let's see how the source code is organized. In this article I will explain the properties of cell states, and how they can be extended to add new functionalities by implementing new classes with the corresponding interfaces.

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    Data analytics related sections viewCellular automata
  • 05/05/2017

    In this article, third of the series, I continue to explain the operation of the WinCA application, devoted to the construction and execution of cellular automata. This time I will show the language used to define the transitions between the different states of the automaton cells.

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    Data analytics related sections viewCellular automata
  • 28/04/2017

    This is the second article in the series about the WinCA application, dedicated to the construction and execution of cellular automata. In this article I will show how to design the diferent states that can have the automaton cells, and the properties that can be assigned to them, using the application editors.

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    Data analytics related sections viewCellular automata
  • 21/04/2017

    Cellular automata are mathematical models used to study the evolution of complex dynamic systems by simulating the interactions over time of a large number of elements, called cells. In this series of articles I will present the WinCA application, with which you can build and run this type of objects.

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    Data analytics related sections viewCellular automata
  • 26/11/2016

    WInRQA is an application dedicated to recurrence plots, a tool that is used in the analysis of recurrence of complex time series. In this article I will present the first extension of the application, which mainly consists of a series of tool windows that will help you to make estimates on what may be the most appropriate delay to try to reconstruct the phase space of the system attractor and select the correct embedding dimension.

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    Data analytics related sections viewGraphical analysis in complex systems
  • 11/11/2016

    A recurrence plot is a graphical tool used in the study of complex time series. Along with the plot we can also calculate a series of measures that allow us to perform a recurrence quantification analysis, or RQA. In this article I will present the WinRQA application, a tool to work with recurrence plots and RQA measures in a Windows environment.

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    Software developingProgramming in csharp languageMathematics
  • 16/01/2016

    From this page you can download an installable copy of the POD Configuration database. You can find also instructions to install and setup it on the server, and to download a free version of SQL Server.

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    Sections related with file and software downloadsSections related with databases viewSection dedicated to the POD project
  • 16/01/2016

    In this page you can download the central PISA database, which contains all the common data for all countries, as questions, response values and territorial divisions.

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    Sections related with file and software downloadsSections related with databases viewSection dedicated to the POD project
  • 16/01/2016

    In this page you can find the instructions and the links to download and install each PISA national database with the responses of students, schools and parent questionaires of the years from 2000 to 2012.

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    Sections related with file and software downloadsSections related with databases viewSection dedicated to the POD project