About me
Hi again, let me tell you more about me: I am from 🇨🇱 and I live in 🇵🇱, where I work as a senior data scientist for O-I, and give lectures at Collegium Da Vinci. Before Poland, I lived in 🇪🇸 where I obtained a Phd in Business Management and Quantitative Methods from the Carlos III University of Madrid, made many friends, visited many museums, and became a Getafe CF supporter.
What you will find here
My blog articles
Plumbers, chains, and famous painters: The (updated) history of the pipe operator in R
Note: This post is an updated version of another I published in 2014, in a previous version of this site. Our story starts as many other R related stories… in stackoverflow. On January 17th, 2012, an anonymous user “user4” asked the following question: How can you implement F#’s forward pipe operator in R? The operator makes it possible to easily chain a sequence of calculations. For example, when you have an input data and want to call functions foo and bar in sequence, you can write:
Read morePublications
Properties of an MLE algorithm for the multivariate linear model with a separable covariance matrix structure
In this paper we present properties of an algorithm to determine the maximum likelihood estimators of the covariance matrix when two processes jointly affect the observations.
Read moreTraining
Marketing Analytics
How to apply data science into marketing research? What are the most important marketing questions that can be answered with data?
Read moreSelected Talks
Tips, tricks, and some packages for eficient R programming
Adolfo Álvarez
Senior data scientist and lecturer
Call of a Loro Tricahue, a critically endangered subspecies endemic to central Chile. credit: www.xeno-canto.org/380835