Published inTowards Data Science·PinnedThe Definitive Guide for Data Preparation that Beginners should readThe best tips and steps to start any Data Science project from scratch. — In my humble opinion, the different data scientists can be classified into: People focus on testing many different algorithms but not paying attention to the distribution that the algorithms require. The algorithm is a blackbox for them, they just memorize the recipes. Old school scientists who address all challenges with…Data Preparation14 min readData Preparation14 min read
Published inTowards Data Science·May 18, 2022How to do fast multiplication using the FFTCurrent Deep Learning workflows rely on thousands of integer multiplications, therefore getting an efficient multiplication performance is critical nowadays. — The multiplication operation is the workhorse kernel in many scientific and Data Science applications. The complexity of this operation is not linear, thus scaling it in time can be a difficult task to achieve. Current Deep Learning workflows rely on thousands of integer multiplications, and this number grows together with…Fft9 min readFft9 min read
Published inTowards Data Science·Jul 23, 2021An interesting walk from Bayesian statistics: Differences between MAP and MLE.This article will allow you to understand the basis of any machine learning model. With simple words and few formulas, you will get fully proficency in Bayes, the Maximum Likelihood Estimation and the Maximum A Posteriori estimator. Specifically, let’s start discussing about binary classification in terms of probability and discrimination…Maximum Likelihood8 min readMaximum Likelihood8 min read
Published inTowards Data Science·May 30, 2021Maths behind Supervised Learning for Dummies: The theory in plain words (Part II)A quick overview of the algebra and geometry behind supervised learning for everybody. — In my previous article, I wrote the first part of this series: Maths behind Supervised Learning for Dummies: The theory in plain words, where we saw an overview of how geometry&algebra are the basis of supervised learning. …Supervised Learning6 min readSupervised Learning6 min read
Published inTowards Data Science·May 18, 2021Maths behind Supervised Learning for Dummies: The theory in plain words (Part I).Machine learning underlies the coolest technologies of today. This is how Ethem Alpaydin starts the Preface of his book, “Introduction to Machine Learning”, which I had to read some years ago when I started with the Data Science world. Today, the book is still considered as a bible in the…Machine Learning11 min readMachine Learning11 min read
Published inTowards Data Science·Mar 19, 2021How to load and store MLFlow models in R on DataBricksHacking the constraints — Databricks has became an important building block in Cloud Computing, especially now, after Google announces the launch of Databricks on Google Cloud. However, it must be said that it is still an experimenting technology, with a long way to go in terms of efficiency and coverage. R is one of…Databricks6 min readDatabricks6 min read
Feb 20, 2021Los Sesgos Cognitivos en el Emprendimiento y las FinanzasSi habéis leído alguna de mis entradas anteriores, os habréis dado cuenta de que solo escribo de dos cosas: la computación y los modelos mentales. Realmente, la inquietud por la mente puede albergar ramas muy extensas como la sociología, la psicología, la filosofía, la neurociencia e incluso la economía. Por…Sesgos Cognitivos10 min readSesgos Cognitivos10 min read
Jan 30, 2021Exámenes justos, la ruleta de Las Vegas y otros grandes éxitos de la Probabilidad (Parte 1)Hace poco escribía una entrada sobre las posibilidades que teníamos de ganar en diferentes juegos de azar. En ella, utilizaba cálculo combinatorio para sacar las probabilidades de las diferentes posibilidades que tenemos en juegos como La Primitiva o La Bonoloto. …Ruleta6 min readRuleta6 min read
Jan 3, 2021Las lecciones de la Historia de Will & Ariel Durant. Parte 2En una entrada anterior, presentaba el ensayo The Lessons of History de Will y Ariel Durant, y dejaba para esta segunda entrada, la parte referente a la moralidad, la economía y la política; la que probablemente haya sido la parte más reveladora para mí. Moralidad y religión Podemos definir la moralidad como las…Historia11 min readHistoria11 min read
Jan 3, 2021Las lecciones de la Historia de Will & Ariel Durant. Parte 1Me he permitido traducir así el título The Lessons of History de los historiadores Will y Ariel Durant, pues no he encontrado una traducción al español de este ensayo. Pese a estar en inglés, recomiendo su lectura, pues usa un léxico muy sencillo de entender (¡casi no hay que tirar…Durant8 min readDurant8 min read
