Blog Archives

How Do We Draw a Line?

August 5, 2018
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How Do We Draw a Line?

She dreams in colour, she dreams in red, can’t find a better man (Better Man, Pearl Jam) Today I bring another experiment based on The Quick Draw! Data from Google, one of my most fortunate discoveries of the last times. The Quick Draw! is a web game developed by Google, that can be played on a computer, … Continue reading How...

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Exploring The Quick, Draw! Dataset With R: The Mona Lisa

July 1, 2018
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Exploring The Quick, Draw! Dataset With R: The Mona Lisa

All that noise, and all that sound, all those places I have found (Speed of Sound, Coldplay) Some days ago, my friend Jorge showed me one of the coolest datasets I’ve ever seen: the Google quick draw dataset. In its Github website you can see a detailed description of the data. Briefly, it contains  around … Continue reading Exploring...

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How Much Money Should Machines Earn?

June 17, 2018
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Every inch of sky’s got a star Every inch of skin’s got a scar (Everything Now, Arcade Fire) I think that a very good way to start with R is doing an interactive visualization of some open data because you will train many important skills of a data scientist: loading, cleaning, transforming and combinig data … Continue reading How...

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Coloring Sudokus

June 1, 2018
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Coloring Sudokus

Someday you will find me caught beneath the landslide (Champagne Supernova, Oasis) I recently read a book called Snowflake Seashell Star: Colouring Adventures in Numberland by Alex Bellos and Edmund Harris which is full of mathematical patterns to be coloured. All images are truly appealing and cause attraction to anyone who look at them, independently of … Continue reading Coloring...

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The Pleasing Ratio Project

May 15, 2018
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The Pleasing Ratio Project

Music is a world within itself, with a language we all understand (Sir Duke, Stevie Wonder) This serious man on the left is Gustav Theodor Fechner, a German philosopher, physicist and experimental psychologist who lived between 1801 and 1887. To be honest, I don’t know almost anything of his life or work exepct one thing: … Continue reading The...

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Pencil Scribbles

April 17, 2018
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Pencil Scribbles

Con las bombas que tiran los fanfarrones, se hacen las gaditanas tirabuzones (Palma y corona, Carmen Linares) This time I draw Franky again using an algorithm to solve the Travelling Salesman Problem as I did in my last post. On this occasion, instead of doing just one single line drawing, I overlap many of them … Continue reading Pencil...

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The Travelling Salesman Portrait

April 4, 2018
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The Travelling Salesman Portrait

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road (Stephen Hawking) Imagine a salesman and a set of cities. The salesman has to visit each one of the cities starting from a certain one and returning to the same … Continue reading The...

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Mandalas Colored

March 11, 2018
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Mandalas Colored

Apriétame bien la mano, que un lucero se me escapa entre los dedos (Coda Flamenca, Extremoduro) I have the privilege of being teacher at ESTALMAT, a project run by Spanish Royal Academy of Sciences that tries to detect, guide and stimulate in a continuous way, along two courses, the exceptional mathematical talent of students of … Continue reading Mandalas...

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Mandalas

February 14, 2018
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Mandalas

Mathematics is a place where you can do things which you can’t do in the real world (Marcus Du Sautoy, mathematician) From time to time I have a look to some of my previous posts: it’s like seeing them through another’s eyes. One of my first posts was this one, where I draw fractals using the … Continue reading Mandalas...

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Fatal Journeys: Visualizing the Horror

January 22, 2018
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In war, truth is the first casualty (Aeschylus) I am not a pessimistic person. On the contrary, I always try to look at the bright side of life. I also believe that living conditions are now better than years ago as these plots show. But reducing the complexity of our world to just six graphs … Continue reading Fatal...

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