Publications by aschinchon
The World We Live In #2: To Study Or To Work
I was getting ready for school and about to wear my uniform when I remembered that our principal had told us not to wear uniforms. So I decided to wear my favorite pink dress (Malala Yousafzai) After reading the diary of a Pakistani schoolgirl and Malala’s history, there is no doubt of being in front of a brave girl. A girl that will fight agai...
1208 sym R (3078 sym/1 pcs) 6 img
Size Doesn’t Matter
An invisible red thread connects those destined to meet, regardless of time, place or circumstances. The thread may stretch or tangle, but never break (Ancient Chinese Legend) I use to play once a year with my friends to Secret Santa (in Spain we call it Amigo Invisible). As you can read in Wikipedia: Secret Santa is a Western Christmas traditio...
2851 sym R (1665 sym/1 pcs) 6 img
A Little Present For Coldplay
Gravity, release me, and don’t ever hold me down, now my feet won’t touch the ground (Coldplay, Life In Technicolor II) Inspired by this nice post and by this cover of a Coldplay’s album: I have dared to do this using ggplot, polar coordinates and Google Fonts: Coldplay: feel free to use it for some future album. library(ggplot2) libra...
709 sym R (778 sym/1 pcs) 8 img
3D-Harmonographs In Motion
I would be delighted to co write a post (Andrew Wyer) One of the best things about writing a blog is that occasionally you get to know very interesting people. Last October 13th I published this post about the harmonograph, a machine driven by pendulums which creates amazing curves. Two days later someone called Andrew Wyer made this comment ...
2627 sym R (1720 sym/1 pcs) 10 img
Hi
Why do some mathematicians wear a white coat? Are they afraid to be splashed by an integral? (Read on Twitter) If you run into someone wearing a white coat who tells you something like e raised to minus 3 by zero point five plus x squared plus y squared between two plus e raised to minus x squared minus y squared between two by cosine of fo...
878 sym R (623 sym/1 pcs) 6 img
Circlizing Numbers
She makes the sound the sea makes to calm me down (Dissolve Me, Alt-J) Searching how to do draw chord diagrams in the Internet with ggplot2 I found a very-easy-to-use package called circlize which does exactly that. A chord diagram shows relationships between things so the input to draw it is simply a matrix with the intensity of these relations...
1234 sym R (1404 sym/1 pcs) 6 img
The World We Live In #3: Breastfeeding
Facts are stubborn, but statistics are more pliable (Mark Twain) According to World Health Organization, exclusive breastfeeding is recommended up to 6 months of age, with continued breastfeeding along with appropriate complementary foods up to two years of age or beyond. Thus, the defining characteristic of continued breastfeeding is that the i...
2078 sym R (2693 sym/1 pcs) 6 img
Going Bananas #1: Superman Was Born In Kentucky!
Who knows? Could be the tropic heat or something that I eat, that makes me gonzo (I’m Going Bananas, Madonna) This is the first post of a new category called “Going Bananas” in which I will post totally crazy experiments. My aim is to try some techniques without taking care of making serious things. These are experiments without rhyme or ...
2070 sym R (647 sym/1 pcs) 8 img
The Awesome Parrondo’s Paradox
A technique succeeds in mathematical physics, not by a clever trick, or a happy accident, but because it expresses some aspect of physical truth (O. G. Sutton) Imagine three unbalanced coins: Coin 1: Probability of head=0.495 and probability of tail=0.505 Coin 2: Probability of head=0.745 and probability of tail=0.255 Coin 3: Probability of head...
2362 sym R (3344 sym/1 pcs) 10 img
Mixing Benford, GoogleVis And On-Line Encyclopedia of Integer Sequences
The chess-board is the world; the pieces are the phenomena of the universe; the rules of the game are what we call the laws of Nature (T. H. Huxley) One of the greatest packages I discovered recently is googleVis. While plotting with ggplot can be sometimes very arduous, doing plots with googleVis is extremely easy. Here you can find many example...
2357 sym R (1248 sym/1 pcs) 6 img