Blackman-Tukey Spectral Estimator in R

June 26, 2019
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Blackman-Tukey Spectral Estimator in R

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...

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data.table is Much Better Than You Have Been Told

June 26, 2019
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data.table is Much Better Than You Have Been Told

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...

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The Psychology of Flame Wars

June 26, 2019
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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...

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Linear Algebra for Machine Learning and Deep Learning in R

June 26, 2019
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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...

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Quick Hit: Above the Fold; Hard wrapping text at ‘n’ characters

June 26, 2019
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Quick Hit: Above the Fold; Hard wrapping text at ‘n’ characters

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...

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Can random forest provide insights into how yeast grows?

June 26, 2019
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Can random forest provide insights into how yeast grows?

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...

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A Model and Simulation of Emotion Dynamics

June 25, 2019
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A Model and Simulation of Emotion Dynamics

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...

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Word2Vec Text Mining & Parallelization in R. Join MünsteR for our next meetup!

June 25, 2019
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Word2Vec Text Mining & Parallelization in R. Join MünsteR for our next meetup!

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:...

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Geelong and the curse of the bye

June 25, 2019
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Geelong and the curse of the bye

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...

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New Resource for Learning Choroplethr

June 25, 2019
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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...

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RcppTOML 0.1.6: Tinytest support and more robustification

June 25, 2019
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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...

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How to hide a password in R with the keyring package

June 25, 2019
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How to hide a password in R with the keyring package

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...

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R Plumber API in a Docker container? Of course, but security matters…

June 25, 2019
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R Plumber API in a Docker container? Of course, but security matters…

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...

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Causation doesn’t imply Correlation either

June 25, 2019
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Causation doesn’t imply Correlation either

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...

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Create Easy to Follow Technical Tutorials

June 24, 2019
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Create Easy to Follow Technical Tutorials

Tips and tricks to creating easy to follow technical tutorials.

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Information theory provides a consistent framework for the analysis of spatial patterns

Information theory provides a consistent framework for the analysis of spatial patterns

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...

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May 2019: “Top 40” New CRAN Packages

June 24, 2019
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May 2019: “Top 40” New CRAN Packages

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...

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Planning a stepped-wedge trial? Make sure you know what you’re assuming about intra-cluster correlations …

June 24, 2019
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Planning a stepped-wedge trial? Make sure you know what you’re assuming about intra-cluster correlations …

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...

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Programmatically generate REGEX Patterns in R without knowing Regex

June 24, 2019
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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...

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Analyzing cricketers’ and cricket team’s performances with cricketr template

June 24, 2019
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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...

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R – Paolo Eusebi 2019-06-24 03:28:36

June 24, 2019
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R – Paolo Eusebi 2019-06-24 03:28:36

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...

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Data Quality Case Studies: How We Saved Clients Real Money Thanks to Data Validation

June 24, 2019
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Data Quality Case Studies: How We Saved Clients Real Money Thanks to Data Validation

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...

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Build Thousands of Automated Demand Forecasts in 15 Minutes Using AutoCatBoostCARMA in R

June 24, 2019
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Build Thousands of Automated Demand Forecasts in 15 Minutes Using AutoCatBoostCARMA in R

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...

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A shinny app to compute and visualize roadkill hotspots over linear features

June 23, 2019
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A shinny app to compute and visualize roadkill hotspots over linear features

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...

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RStudio Connect 1.7.6 – Publish Git-backed Content

June 23, 2019
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RStudio Connect 1.7.6 – Publish Git-backed Content

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...

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MODIStsp v. 1.3.9 is out !

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...

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Extracting the Data from Static Images of Graphs with magick

June 23, 2019
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Extracting the Data from Static Images of Graphs with magick

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...

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Finding CRAN packages right from the R console

June 23, 2019
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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...

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binb 0.0.4: Several nice improvements

June 23, 2019
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binb 0.0.4: Several nice improvements

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....

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