Motivation: More Precise Timestamps R has excellent facilities for dealing with both dates and datetime objects. For datetime objects, the POSIXt time type can be mapped to POSIXct and its...continue reading.
For many years, I actively avoided the data.table package and preferred to utilize the tools available in either base R or dplyr for data aggregation and exploration. However, over the...continue reading.
Psychology vs. Probability Anyone old enough to remember the Monty Hall problem from the old TV Show Let’s Make a Deal? It’s a classic probability problem – but despite its...continue reading.
For the last few years I’ve been encouraging a particular approach to R education, teaching the dplyr and ggplot2 packages first and introducing real datasets early on. This week I’m...continue reading.
Topic modeling is a method for finding abstract topics in a large collection of documents. With it, it is possible … Read More →continue reading.
MilanoR is a free event, open to all R users and enthusiasts or those who wish to learn more about R. The meeting consists of two talks (this time one...continue reading.
First off, here are the previous posts in my Bayesian sampling series: Bayesian Simple Linear Regression with Gibbs Sampling in R Blocked Gibbs Sampling in R for Bayesian Multiple Linear...continue reading.
R is an incredible tool for reproducible research. In the present series of blog posts I want to show how one can easily acquire data within an R session, documenting...continue reading.
Introduction In my previous post I showed how to enable MATLAB in Jupyter notebooks on Windows. Now it’s time for GNU/Linux (Ubuntu). My main issue with enabling new kernel was...continue reading.
R is an incredible tool for reproducible research. In the present series of blog posts I want to show how one can easily acquire data within an R session, documenting...continue reading.
Overview of how R/exams is used to assist learning, feedback, and assessment in a large introductory mathematics course at Universität Innsbruck. Motivation Many statisticians regularly teach large lecture courses on...continue reading.
Co-Author: Eric Kammers I recently created a Twitter account for the blog where I will curate and comment on content I find interesting related to finance, data science, and data...continue reading.
In this post, we will once again examine data about wine. Previous predictive modeling examples on this blog have analyzed a subset of a larger wine dataset. In the current...continue reading.
rstudio::conf 2018, the conference on all things R and RStudio, is only a few months away. Now is the time to claim your spot or grab one of the few...continue reading.
There are many ways to utilize fiery: It can be the engine behind a local running web-app, it can serve a dynamic site running on your own server, or it...continue reading.
Computational overhead analysis of using generic+method approach instead of if-else sequence and switch statement. Earlier this week I came across this tweet from Thomas (author of many useful and powerful...continue reading.
This article describes solutions for preserving semi-transparency when saving a ggplot2-based graphs into a high quality postscript (.eps) file format. Contents: Create a ggplot with semi-transparent color Save ggplots with...continue reading.
Today we’re pleased to announce a new category of community.rstudio.com dedicated to R administrators: https://community.rstudio.com/c/r-admin. There are already multiple places where you can get help with R, Shiny, the RStudio...continue reading.
I have written the following post about Predictive Maintenance and flexdashboard at my company codecentric’s blog: Predictive Maintenance is an increasingly popular strategy associated with Industry 4.0; it uses advanced...continue reading.
The Institute for Health Metrics and Evaluation website is a treasure trove of data. On a semi-regular basis, the institute publishes data visualizations using the daily freely available on the...continue reading.
Artificial intelligence / Deep neural networks / Keras / R / R News / Spark
April 22, 2024
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
