I mentioned EtherCalc in a previous post and managed to scrounge some time to put together a fledgling {ethercalc} package (it’s also on GitLab, SourceHut, Bitbucket and GitUgh, just sub out the appropriate URL prefix). I’m creating a package-specific Docker image (there are a couple out there but I’m not supporting their use with the... Continue reading →
ANOVA is routinely used in applied biology for data analyses, although, in some instances, the basic assumptions of normality and homoscedasticity of residuals do not hold. In those instances,...
Earlier this week, Github introduced Noops, a collection of simple black-box machines with API endpoints, with the goal of challenging developers of all skill levels to solve problems with...
We are delighted to announce that Helen Hunter, Chief Data Officer at Sainsbury’s will deliver the opening keynote address at this year’s London EARL conference. As Chief Data Officer...
Periodogram with R The power spectral density (PSD) is a function that describes the distribution of power over the frequency components composing our data set. If we knew the...
Today tidytext 0.2.1 is available on CRAN! This new release of tidytext has a collection of nice new features. Bug squashing! 🐛 Improvements to error messages and documentation 📃 Switching from broom...
PreambleColleagues and I had some sweet telemetry data, we did some simple models (& some relatively more complex ones too), we drew maps, and we wrote a paper. However,...
As a data analyst you want to provide clear cut insights for your end users, enabling them to extract all the business value provided by your solution. If your...
For some time, I’ve planned to write up a point-by-point comparison of R and Python. I’ve done so now! Comments welcome. Advertisements
We were recently presented with a problem where the decision maker wanted to understand how their data would naturally group together. The classic technique of k-means clustering was a...
This RStudio Connect patch release addresses an urgent security update and an important bug fix. Security Update: Password Authentication A vulnerability has been identified for customers using RStudio Connect’s built-in password...
rOpenSci’s community is increasingly international and multilingual. While we have operated primarily in...
TL;DR 📖 This post provides an overview of R functions for dealing with survey data labels, particularly ones that I wish I’d known when I first started out analysing...
I am going to use regression, decision trees, and the random forest algorithm to predict combined miles per gallon for all 2019 motor vehicles. The raw data is located...
Yesterday v.0.5.0 of the padr package hit CRAN. You will find the main changes in the thicken function, that has gained two new arguments. First of all, by an...
A new RcppArmadillo release based on a new Armadillo upstream release arrived on CRAN, and will get to Debian shortly. It brings a few upstream changes, including extened interfaces...
A walk through how networks are visualized at STATWORX using the package visNetwork. Der Beitrag Interactive Network Visualization with R erschien zuerst auf STATWORX.
Why R? is one of the best opportunities to learning secrets of data science from true experts. This year we are happy to invite you for six keynote...
I have recently been confronted to a kind of data set and problem that I was not even aware existed: intermittent demand data. Intermittent demand arises when the demand for...
Software is maintained by people. While software can in theory live on indefinitely, to do so requires people. People change jobs, move locations, retire, and unfortunately die sometimes. When...
I had another lazy weekend go at code golf, trying to code in the most condensed way the following task. Provided with a square matrix A of positive integers,...
This morning, @kairyssdal tweeted out the following graphic from @axios: Confusing, but interesting. Data shows we're a nation of news consumption hypocrites – Axios https://t.co/O0lPSc4OV3 — Kai Ryssdal (@kairyssdal)...
At Appsilon we thrive on supporting the open source community with open source packages. As we have already mentioned at various R conferences, the typical cycle of our work...
If you follow the stock market, you’ve probably heard the expression “Sell in May, Go Away.” This expression generally refers to the perceived idea that the stock market goes...
There is an entertaining rumour going around about the journal Nature Communications. When I heard it for the fourth or fifth time, I decided to check out whether there...
One of the most notoriously difficult subjects in statistics is the concept of statistical tests. We will explain the ideas behind it step by step to give you some...
It is always exciting to find an interesting pattern in the data that seems to point to some important difference or relationship. A while ago, one of my colleagues...
Two fairy different riddles on the weekend Riddler. The first one is (in fine) about Egyptian fractions: I understand the first one as Find the Egyptian fraction decomposition of...
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