wizard of oz

The Wizard of Oz, Smart City version!

Miguel Izquierdo Business, Data Science, Technology Leave a Comment

Once upon a time, a girl named Dorothy lived in the state of Kansas Oz, in a smart city named Emerald City. A huge tornado struck this city, but fortunately, Dorothy and all the other citizens had been evacuated way before the tornado reached them. In this city, people used to guide themselves through a yellow brick road, but sometime after, …

Hierarchical Clustering of Twitter Followers

Manuel Lamelas Data Science, Technology Leave a Comment

Hi again!!! In this new post we are going to explore an impressive way of clustering Twitter followers, using the Datatons account as an example. We will try to segment our followers in different groups and see what they have in common. For this we are going to use Hierarchical Clustering in Python. If you want to see the complete code …

Random Forest – Modeling The Titanic Voyage with R

David Carrasco Data Science Leave a Comment

What’s a Random Forest? Random Forest is a machine learning algorithm used normally for classification and regression tasks in supervised learning which consists on an ensemble or group of simple decision tree models to predict the value of a target variable based on a bunch of input variables. The main advantage regarding a simple decision trees is that reduces the …

Random Forest – The magic behind the algorithm

David Carrasco Data Science Leave a Comment

Random Forest is an ensemble model based on decision trees which is built through the Bagging technique used for classification and regression tasks in supervised learning (Although, it can be used in unsupervised learning too). Yes, it’s a bit more technical than the definition in the previous post, isn’t it? Well, let’s explain the main concept behind the Random Forest …

H2O.ai y Data Science Madrid: como agua de mayo

Datatons Data Science Leave a Comment

Parece que la primavera quiere aparecer: días más largos, temperaturas más suaves durante el día… todo empieza a florecer y nosotros no podíamos ser menos. Nos quitamos la bufanda y los guantes y nos lanzamos de lleno a la primavera. Así que, para celebrar el resurgir de la vida, ¿qué mejor manera que traeros el agua de mayo de los …

Data Science Madrid Meetup Enero 2017

Datatons Big Data Architecture, Business, Data Science, Technology Leave a Comment

El pasado 21 de de Enero tuvo lugar el meetup mensual de Data Science Madrid, en esta ocasión además pudimos colaborar con nuestros colegas de Madrid 4 OpenStack para celebrar en el evento en el Auditorio de Medialab Prado. La agenda de las charlas fué la siguiente: • “Open Stack y Big Data” por Daniel Mellado y Carlos Camacho Introducción …