Start Me Up
The startup package makes it easy to control your R startup processes and to share part of your startup settings with others (e.g. as a public Git repository) while keeping...continue reading.
The startup package makes it easy to control your R startup processes and to share part of your startup settings with others (e.g. as a public Git repository) while keeping...continue reading.
Today I spent a few hours debugging a hanging R process that left a zombie sh which so far suggests bug (race condition?) in R’s system2() call. Anyway, it soon turned...continue reading.
This post aims to illustrate use of TensorFlow framework for implementing a simple Matrix Factorization (MF). MF is one of the widely used recommender systems that is especially exploited when...continue reading.
Analyzing a lot of datasets can be tedious. In my work, I often have to compute descriptive statistics, or plot some graphs for some variables for a lot of datasets....continue reading.
Analyzing a lot of datasets can be tedious. In my work, I often have to compute descriptive statistics, or plot some graphs for some variables for a lot of datasets....continue reading.
Calculating correlations is often starting point before more advanced analytical steps take place. Big data (long data) always presents computational challenges of both scale and distributed nature. In turn they...continue reading.
An R tutorial by D. M. Wiig This section gives examples of code to perform some of the most common elementary statistical procedures. All code segments assume that the package...continue reading.
It is interesting to try and figure out what picture emerges from a join-the-dots puzzle (connect-the-dots in some parts of the world). Let’s have a go at some lightweight automatic...continue reading.
This post is dedicated to my mother – Seinfeld’s greatest fan. Seinfeld is a classic TV sitcom. It featured four main characters surrounded by relatively normal, everyday, run of the...continue reading.
On the other side of the Holidays are sunny January days in Florida, home of rstudio::conf 2017 and the exclusive Wizarding World of Harry Potter experience reserved for our guests!...continue reading.
This is the fourth part of the of the post where are going to create figure 4 Plot of Inventory Completeness against sample size for grid cells. Part 3 of this series we...continue reading.
I’ve been trying to find a way to introduce threads to R. I guess there can be many reasons to do that, among which I could mention simplified input/output logic,...continue reading.
The Type-I Pareto distribution has a probability function shown as below f(y; a, k) = k * (a ^ k) / (y ^ (k + 1)) In the formulation, the...continue reading.
R For Beginners: Some Simple R Code to Load a Data File and Produce a Histogram A tutorial by D. M. Wiig I have found that a good method for learning how to...continue reading.
This post shows a simple example of creating an interactive display that allows you to navigate thousands of instagram posts with just a few lines of code using TrelliscopeJS. The...continue reading.
This post shows a simple example of creating an interactive display that allows you to navigate thousands of instagram posts with just a few lines of code using TrelliscopeJS. The...continue reading.
It’s been about a month since the U.S. presidential election, with Donald Trump’s victory over Hillary Clinton coming as a surprise to most. Reddit user Jason Baumgartner collected and published...continue reading.
Marijuana, Alcohol, and Other Drugs Continuing our Exploration of the Data After identifying the sources of crime growth, it’s time to investigate specific crime rates. This blog post addresses drug...continue reading.
Imagine you bought solar PVC arrays today, sold the power generated to your local utility, and used the proceeds to add new solar arrays each year. What generating capacity would...continue reading.