#
Orbifold Consulting

Think | Visualize | Understand

The basics of creating Rcpp packages for R.

A year of AI, machine learning, maths and marketing.

About R integration in the latest SQL Server release.

About the unreasonable effectiveness of chi2 in dealing with noisy classification attributes.

Some simple experiments in R illustrating the Ito rules for stochastic differential equations.

My take on monads. Some snippets in R and Swift highlight the ideas.

Some notes related to time series in R.

About integrating R with other technologies, .Net in particular. Some details how to set up OpenCPU and Deployr on Azure,

Tutorial on how to use yFiles with an ASP.Net MVC WebAPI.

About the 2015 Wolfram Conference in Frankfurt.

How one can use R server-side to display interactive content on the web. How Docker makes it easy to install all you need.

Using a window function in TSQL to calculate moving averages.

Necessary changes to publish a WebStorm developed NodeJS site to Azure via WebMatrix.

About small implementation differences in R, Excel and Mathematica.

Some of the graph databases I keep an eye on.

Cheat sheet of R function related to time series.

.Net on Mac, TypeScript and Angular2, ManifoldJS. Making, you know, everything easier.

Which ML algorithm to use?

Easy access to Twitter from within R.

A whole lot of companies in one picture.

A collection of delicious R packages, utils and things to enjoy.

If only things were that simple in other development languages.

Basic clustering in Mathematica

As simple as can be but many authors use incorrect terminology in deriving the Black-Scholes equation.

A bit of background on gradient boosting.

About a popular centrality measure in network analysis.

Data analysis basics

An intro for the uninitiated.

In a way, a proof of how efficient and easy R can be in comparison to other languages.

Random geometry lectures from Cambridge University

Open source Mathematica implementation of ML on a Github repo.

Good stuff. Too much to handle probably.

Essentials of R6 classes and OO.

Embracing anything and everything

Some concrete analysis of real-world graphs using iGraph.

Sample network animation using the Kendo drawing API.

A pure shape adorner using AngularJS.

Awesome gem of graph visualization.

Yet another experiment sitting between dataviz and pure animation.

Just a short distance between dataviz and particle simulations.

Dataviz differently.

Transition from disorder to a radial chart.

An example of edge bundling.

Dataviz based on quantum orbitals.

Ants food aggregation topology.

A colorful representation of the dollar value vs. other currencies.

d3Plus is really a powerful little gem.

Where art and mathematics meet.

Mathematica mis-classifying serious topics.