A number of existing R packages support data encryption. However, we haven’t found one that easily suits our needs: to encrypt one or many columns of a data frame or...continue reading.
Not always is the answer 42 as explained in Hitchhiker’s guide. Sometimes it is also 6174. Kaprekar number is one of those gems, that makes Mathematics fun. Indian recreational mathematician...continue reading.
Those outside the Colonies may not know that Payless—a national chain that made footwear affordable for millions of ‘Muricans who can’t spare $100.00 USD for a pair of shoes their...continue reading.
WiGLE has been around a while and is a great site to explore the pervasiveness or sparsity of Wi-Fi (and cellular) networks around the globe. While interactive use is fun,...continue reading.
Installing R from scratch and creating your favorite IDE setup is especially useful when making fresh installation or when you are developing and testing out different versions. This blogpost will...continue reading.
I must preface this post with the posit that if you’re doing anything interactive() with Amazon Athena you should seriously consider just using their free ODBC drivers as it’s the...continue reading.
A new Le Monde mathematical puzzle in the digit category: Given 13 arbitrary relative integers chosen by Bo, Abigail can select any subset of them to be drifted by plus...continue reading.
My task was to extract pitch values from a long list of audio files. Previously I used Praat and R for this task but looping in R was rather slow...continue reading.
I’ve got a post up over at $DAYJOB’s blog on using the ropendata🔗 package to access the ginormous and ever-increasing amount of internet telemetry (scan) data via the Rapid7 Open...continue reading.
A monthly roundup of news about Artificial Intelligence, Machine Learning and Data Science. This is an eclectic collection of interesting blog posts, software announcements and data applications from Microsoft and...continue reading.
It’s Valentine’s day, making this the most romantic time of the year. But actually, already 2018 was a year full of love here at STATWORX: many of my STATWORX colleagues...continue reading.
This method can discretize a variable taking into consideration the target variable, similar to what decision tree do but with gain ratio.continue reading.
[click and zoom] The diagram shows the evolutionary tree of 726 extant waterbird species. This group of birds belong to a clade called Aequorlitornithes whose most recent common ancestor (MRCA)...continue reading.
In the previous post (https://statcompute.wordpress.com/2019/02/03/sobol-sequence-vs-uniform-random-in-hyper-parameter-optimization), it is shown how to identify the optimal hyper-parameter in a General Regression Neural Network by using the Sobol sequence and the uniform random generator...continue reading.
Over at $DAYJOB’s blog I’ve queued up a post that shows how to use our new opendata🔗 package to work with our Open Data portal’s API. I’m not super-sure when...continue reading.
If you’re looking a guide to making publication-ready data visualizations in R, check out the BBC Visual and Data Journalism cookbook for R graphics. Announced in a BBC blog post...continue reading.
For better or worse I spend some time each day at Stack Overflow [r], reading and answering questions. If you do the same, you probably notice certain features in questions...continue reading.
Create a predictive model with the h2o package. H2o is a fantastic open source machine learning platform with many different algorithms. There is Graphical user interface, a Python interface and...continue reading.
Hello again! Typically I would start by describing a complicated problem that can be solved using machine or deep learning methods, but today I want to do something different, I...continue reading.
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
