Matching student names for class attendance
December 03, 2018
This post describes an interesting string-matching problem that I faced when tracking students’ attendance, using google forms, in one of my courses.
Converting HTML files to PDF
November 10, 2017
Using wkhtmltopdf to convert HTML files into PDF format.
Promoting Open Science
June 11, 2016
This week (June 7-10) I was able to fulfill a promise made long ago to my dearest friend and colleague Dr. Lucas Lopez Segovia: to visit the Division of Ciencias Basicas (DACB) at the Universidad Juarez Autonoma de Tabasco (UJAT).
Football-shaped scatterplot
March 23, 2016
Using R to plot a football-shaped scatter diagram.
Shiny Apps for Introductory Statistics
February 16, 2016
Sharing the shiny apps for my “STAT 2: Introduction to Statistics” course at UC Berkeley.
Colored jittery text
January 05, 2016
Using R to plot colored jittery text, just for fun.
Rtist featured in R graph gallery
November 06, 2015
Rtist now being feature in the new R graph gallery.
Solving the Crocodile Math Problem in R
October 19, 2015
Using R to solve the crocodile math problem from the Scottish Higher Maths exam of May 2015.
R Graphical Parameters Cheat Sheet
September 22, 2015
This is probably one of my shortest posts, but this doesn’t mean that it is useless.
The Saga of PLS
April 17, 2015
As some of you know, one of my favorite research topics has to do with Partial Least Squares (PLS) methods. Along with my interest in theoretical considerations, methodological aspects, practical applications, and software tools, one of my long standing obsessions has been related to the historical side of PLS methods.