The 4.0.0 release of simmer, the Discrete-Event Simulator for R, is on CRAN under a new license: we decided to switch to GPL __= 2. Most notably in this major release, the C++ core has been refactorised and exposed under inst/include. This is not a big deal for most users, but it enables extensions. As an example… Continuar leyendo simmer 4.0.0...
Introduction A developer always pays his technical debts! And we have a debt to pay to the gods of coding best practices, as we did not present many unit tests...
R.devices 2.16.0 - Unified Handling of Graphics Devices - is on CRAN. With this release, you can now easily suppress unwanted graphics, e.g. graphics produced by one of...
I am happy to announce that our paper is published today in The Lancet. Kashnitsky, I., & Schöley, J. (2018). Regional population structures at a glance. The Lancet,...
Bill Venables, member of the R Foundation, co-author of the Introduction to R manual, R package developer, and one of the smartest and nicest (a rare combo!) people you...
A previous post explored how to deal with Amazon Athena queries asynchronously. The function presented is a beast, though it is on purpose (to provide options for folks). In...
Summer holidays are over and work is calling. We will get you back on track by bringing you our popular R trainings and data science talks to the South...
Feature Selection Feature Selection is one of the most interesting fields in machine learning in my opinion. It is a boundary point of two different perspectives on machine learning...
In our first blog post, we introduced CVXR, an R package for disciplined convex optimization, and showed how to model and solve a non-negative least squares problem using its...
In this post, I try to show you in which situations using a data frame is appropriate, and in which it’s not. Learn more with the Advanced R book....
This is code that will accompany an article that will appear in a special edition of a German IT magazine. The article is about explaining black-box machine learning models....
Fit an anova APA formatted output Correlations, t-tests, regressions… Evolution Credits On similar topics Psychology is still (unfortunately) massively using analysis of variance (ANOVA). Despite...
This report discusses ways to combine graphics output from the ‘graphics’ package and the ‘grid’ package in R and introduces a new function echoGrob in ...
![Le Monde puzzle [#1061]](https://xianblog.files.wordpress.com/2015/10/lemondapari.jpeg?w=450)
A griddy Le Monde mathematical puzzle: On a 4×5 regular grid, find how many nodes need to be turned on to see all 3×4 squares to have at least...
Installing R package Because flipAPI does not require external libraries that use Java or Perl, installation is very straightforward. Simply open R and type the...
It could be the era of Deep Learning where it really doesn’t matter how big is your dataset or how many columns you’ve got. Still, a lot of Kaggle...
We are delighted to announce that the full EARL US Roadshow agendas are now available! Each city has a different line-up of world-class speakers and R experts for you...
A generalized linear model (GLM) is a flexible generalization of an ordinary linear regression that allows for response variables that have error distribution models other than a normal distribution....
A new maintenance release of the nanotime package for working with nanosecond timestamps just arrived on CRAN. nanotime uses the RcppCCTZ package for (efficient) high(er) resolution time parsing and formatting...
We all hate the experience of calling a service provider and being placed on hold for a very long time. Organisations that take their level of service seriously plan...
We all hate the experience of calling a service provider and being placed on hold for a very long time. Organisations that take their level of service seriously plan...
Earlier this spring, one of my data science friends here in SLC got in contact with me about some fun analysis. My friend Dylan Zwick is a founder at...
I am involved with a stepped-wedge designed study that is exploring whether we can improve care for patients with end-stage disease who show up in the emergency room. The...
he fourteenth annual worldwide R user conference, useR!2018, was held last week in Brisbane, Australia and it was an outstanding success. The conference attracted around 600 users from around...
To automate the process of modeling selection and evaluate the results with visualization, I have created some functions into my personal library and today I’m sharing the codes with...
The goal is simple: to educate and empower future data scientists so they can help organizations gain data-driven results. This is why it was a no-brainer when the opportunity...
Sydney’s congestion at ‘tipping point’ blares the headline and to illustrate, an interactive chart with bars for city population densities, points for commute times and of course, dual-axes. Yuck....
In previous posts, we covered how to run a Monte Carlo simulation and how to visualize the results. Today, we will wrap that work into a Shiny app wherein...
Earlier this year at the QCon.ai conference, I gave a short presentation, "The Case for R, for AI developers". I also presented an interactive workshop, using R and the...
