Since Galton’s quincunx has fascinated me since the (early) days when I saw a model of it as a teenager in an industry museum near Birmingham, I jumped on the challenge to build an uneven nail version where the probabilities to end up in one of the boxes were not the Binomial ones. For instance,
Data Scientists know that about 80% of a Data Science project consists of preparing the data so that they can be analyzed. Building Machine Learning models is the fun...
Hangman is a classic word game in which you need to need to guess as many possible letters in word, so you can guess the word, before running out...
A first update release to the still very new (and still very small) ttdo package arrived on CRAN today. Introduced about two months ago in September, the ttdo...
This article comes from Diego Usai, a student in Business Science University. Diego has completed both 101 (Data Science Foundations) and 201 (Advanced Machine Learning & Business Consulting)...
Two Hundred twenty-three new packages made it to CRAN in October. Here are my “Top 40” picks in ten categories: Computational Methods, Data, Genomics, Machine Learning, Mathematics, Medicine, Pharmacology,...
I’m very excited to announce that Allison Horst is RStudio’s inaugural artist-in-residence. Allison is one of my favourite artists in the R community. Over the next year, she’s going...
I was intrigued by the recent splashy result showing how eigenvectors can be computed from eigenvalues alone. The finding was covered in Quanta magazine and the original paper is...
Since version 1.0.0, released in September, the tidyr package has a new replacement for the gather/spread pair of functions, called pivot_longer/pivot_wider. (See the blog post about the release. It...
The setup The RStudio notebook is a great interactive tool to build a statistical report. Being able to see statistics and graphs right on the fly probably has saved...
A new minor release 0.3.3.7.0 of RcppEigen arrived on CRAN today (and just went to Debian too) bringing support for Eigen 3.3.7 to R. This release comes almost a...
This is my take on an R style guide. As such, this is going to be a very long post (long enough to warrant a table of content). Still,...
Practical Data Science with R, 2nd Edition author Dr. Nina Zumel, with a fresh author’s copy of her book!
When plotting an lm object in R, one typically sees a 2 by 2 panel of diagnostic plots, much like the one below: This link has an excellent explanation...
Week 11 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 11 (2019) appeared first on Fantasy Football Analytics.
In a previous post, we explored IPOs and IPO returns by sector and year since 2004. Today, let’s investigate how portfolios formed with those IPOs have performed. We will...
Studies of muscle physiology often rely on closed-source, proprietary software for not only recording data but also for data wrangling and analyses. Although specialized software might be necessary to...
As a data scientist, you will likely be asked one day to automate your analysis and port your models to production environments. When that happens you cross the blurry...
The Durban EDGE (Economic Development and Growth in eThekwini) DataQuest was held at UKZN (Westville Campus) on 13 November 2019. Participants were tasked with creating something interesting and useful...
I’m happy to announce that farver 2.0 has landed on CRAN. This is a big release comprising of a rewrite of much of the internals along with a range of...
Our purpose is to write a program to automatically update a quarterly fiscal database for the Euro Area. The main difficulty of this exercise is to build long series...
Regularization is a way of avoiding overfit by restricting the magnitude of model coefficients (or in deep learning, node weights). A simple example of regularization is the use of...
Logistic Regression is one of the most popular classification techniques. In this sneak peek from Data Science Dojo's bootcamp, you'll learn about this popular algorithm and go through a...
Some major updates to AzureR packages this week! As well as last week's AzureRMR update, there are changes to AzureStor, AzureVM, AzureGraph and AzureContainers. All of these are live...
At last week's Microsoft Ignite conference in Orlando, our team delivered a series of 6 talks about AI and machine learning applications with Azure. The videos from each talk...
My AP Stats class has started their first R programming assignment this week. I gave them the code for them to type in and play with. This will give...
A new minor release of RcppAnnoy is now on CRAN, following the previous 0.0.13 release in September. RcppAnnoy is the Rcpp-based R integration of the nifty Annoy library by...
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