Blackman-Tukey Spectral Estimator in R! There are two definitions of the power spectral density (PSD). Both definitions are mathematically nearly identical and define a function that describes the distribution of power over the frequency components in our data set. The periodogram PSD estimator is based on the first definition of the PSD (see periodogram post). The Blackman-Tukey...
There is interest in converting relational query languages (that work both over SQL databases and on local data) into data.table commands, to take advantage of data.table‘s superior performance. Obviously...
I have been meaning to write this for a while, but with the dplyr vs data.table feud rising to new levels on Twitter the last couple of days, it...
Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Data Management Tags Data Manipulation Linear Regression R Programming Tips & Tricks In this article, you learn how to do linear...
Despite being on holiday I’m getting in a bit of non-work R coding since the fam has a greater ability to sleep late than I do. Apart from other...
I’m not saying this is a good idea, but bear with me. A recent question on Stack Overflow asked why a random forest model was not working as...
Emotion dynamics is the study of how emotions change over time. Sometimes our feelings are quite stable, but other times capricious. Measuring and predicting these patterns for different people...
In our next MünsteR R-user group meetup on Tuesday, July 9th, 2019, we will have two exciting talks about Word2Vec Text Mining & Parallelization in R! You can RSVP here:...
This week we return to Australian Rules Football, the R package fitzRoy and some statistics to ask – why can’t Geelong win after a bye? (with apologies to long-time...
Last week I had the honor of giving a 1 hour talk about Choroplethr at a private company. When this company reached out to me about speaking there, I...
A new RcppTOML release is now on CRAN. RcppTOML brings TOML to R. TOML is a file format that is most suitable for configurations, as it is meant to...
This post will introduce using the keyring package to hide a password. Short background The keyring package is a library designed to let you access your operating system’s credential...
This guide is for you, if: You are a data scientist and want to quickly publish a training or scoring function to your peers with a plumber API. Your...
You may have misread the title as the old correlation does not imply causation mantra, but the opposite is also true! If you don’t believe me, read on… First...
Quantitative assessment of spatial patterns has been a keen interest of generations of spatial scientists and practitioners using spatial data. This post describes Information Theory-based metrics allowing for numerical description...
Two hundred twenty-two new packages made it to CRAN in May, and it was more of an effort than usual to select the “Top 40”. Nevertheless, here they are...
A few weeks ago, I was at the annual meeting of the NIH Collaboratory, which is an innovative collection of collaboratory cores, demonstration projects, and NIH Institutes and Centers...
Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Programming Tags Best R Packages R Programming Text Mining Regular Expression (Regex — often pronounced as ri-je-x or reg-x) is extremely useful...
This post includes a template which you can use for analyzing the performances of cricketers, both batsmen and bowlers in Test, ODI and Twenty 20 cricket. Additionally this template...
Wow! I was listening a recent episode of the “Storytelling with data” podcast by Cole Nussbaumer Knaflic. It was an interview with Alberto Cairo who came up recommending an...
Machine learning models grow more powerful every week, but the earliest models and the most recent state-of-the-art models share the exact same dependency: data quality. The maxim “garbage in...
Over 20% of Amazon’s North American retail revenue can be attributed to customers who first tried to buy the product at a local store but found it out-of-stock, according...
In this post I’m going to explain how to use the package roadHotspots. This is just a development version located in github and I must say that I have...
RStudio Connect 1.7.6 has been released and is now available for download. This release includes a new publishing method for Git-backed content, the ability for publishers to manage vanity URLs for...
A new version of MODIStsp (1.3.9) is on CRAN as of today ! This version: Introduces support for the new MCD12Q2 v006 product and removes support for some v005 product no...
Prior to the era of reproducible research, it was quite common for published graphs, charts, and other figures to be released solely as static images such and PNGs or...
A new version of my package packagefinder is available on CRAN. It has a lot of new features and comes with a YouTube tutorial. What is packagefinder? How...
The fourth release of the binb package just arrived on CRAN. binb regroups four rather nice themes for writing LaTeX Beamer presentations much more easily in in (R)Markdown....
