At this post i will show you how to deploy Shiny Apps easily with a simple git push. But, what’s a git push? I’m referring to the git command used with remote repositories. With this command you can deploy apps easily with a PaaS (Platform as a Service) ... [Read more...]

After a long pause of more than four months, I am finally back to post here. Unfortunately, many commitments prevented me keep posting, but coming back, i changed the deployment (now this blog runs entirely within a docker container with some other cool things I intend to post more forward) ... [Read more...]

OBS: There is a version in portuguese. Handwritten digit recognition task was one of first great successes of machine learning […] The post Handwritten digit recognition – Part1 appeared first on Flavio Barros . [Read more...]

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Inspired by this article i thought about gather here all multimedia resources that i know to learn use R. Today […] The post MOOCs and courses to learn R appeared first on Flavio Barros . [Read more...]

Recently talking to a colleague, had contact with a problem that I had never worked with before: modeling with genetic […] The post Genetic data, large matrices and glmnet() appeared first on Flavio Barros . [Read more...]

The R language provides tools for modeling and visualization, but is still an excellent tool for handling/preparing data. As C++ or python, there is some tricks that bring performance, make the code clean or both, but especially with R these choices can have a huge impact on performance and ... [Read more...]

Before you begin, be aware that there is others excellent posts about the issue, as: 1. Compiling 64-bit R 2.10.1 with MKL in Linux 2. Speeding up R with Intel’s Math Kernel Library (MKL) 3. Performance benefits of linking R to multithreaded math libraries 4. Using MKL-Linked R in Eclipse But, as recently i ... [Read more...]

OBS: This is a full translation of a portuguese version. In many different types of experiments, with one or more treatments, one of the most widely used statistical methods is analysis of variance or simply ANOVA . The simplest ANOVA can be called “one way” or “single-classification” and involves the analysis ... [Read more...]