[Read more...]

[Read more...]

@wrathematics pointed me to his ngram R package for constructing and simulating from n-grams from text. I’d recently grabbed the text of the hobbit, and so I applied it to that text, with amusing results. Here’s the code I used to grab the text. Then calculate the ngrams ... [Read more...]

The goal is simple. During my research, I often need to run a lot of different workloads, plot the results and write some analysis text. My goal is to: find out parameters I used to generate the results. So I can answer questions “why I see an outlier in my ... [Read more...]

At its core, choice modeling is a utility estimating machine. Everything has a value reflected in the price that we are willing to pay in order to obtain it. Here are a collection of Smart Watches from a search of Google Shopping. You are free to click... [Read more...]

by Sean Wells, Senior Software Engineer, Microsoft and David Russell DeployR exists to solve a number of fundamental R analytics integration problems faced by application developers. For example, have you ever wondered how you might execute an R script from within a Web-based dashboard, an enterprise middleware solution, or a ... [Read more...]

The Mango Solutions LondonR meeting at UCL on Monday 15th June 2015 was successful as usual with over 200 attendees throughout the day. Thanks to everyone who attended to help make the event such a success. It was great to … Continue reading → [Read more...]

Monday 22 June 2015 - 14:36 In the last two years, software development had taken a step forward with the advent of the Docker. For the uninitiated, a Docker is a tool that automates the deployment of applications by packaging them with their dependencies in a virtual container, eliminating the need for virtual ... [Read more...]

[Read more...]

Using a simple moving average to time markets has been a successful strategy over a very long period of time. Nothing to brag home about, but it cuts the drawdown of a buy and hold by about a half, sacrificing less than 1% of the CAGR in the process. In two ... [Read more...]

The subtitle of this post can be "How to plot multiple elements on interactive web maps in R".In this experiment I will show how to include multiple elements in interactive maps created using both plotGoogleMaps and leafletR. To complete the work prese... [Read more...]

I restarted at working my way through the PROC MCMC examples. The SAS manual describes this example: Consider the data set from Bacon and Watts (1971), where  is the logarithm of the height of the stagnant surface layer and the covariate... [Read more...]

Contents Slidify 1. Install and Initialize 2. Author and Edit 2.1 Add slide content 2.1 Change the look and feel 2.1 Collection of links 3. Generate and Publish 4. Summary Slidify As a LaTeX fan, I started early to write my presentations with the Beamer document class. Unfortunately, the default classes are starting to look rather antique ... [Read more...]

dimple is a simple-to-use charting API powered by D3.js. Making use of the nice htmlwidgets package it only took a minimum amount of coding to make the dimple library available from R. You can find the dimple R package at github.com/Bart6114/dimple a... [Read more...]

Has the time come for Jupyter/IPython notebooks in R? This format, mixing code chunks, output, and markdown all in the same interface, is already wildly popular among Python users. Here's how to get a quick start using interactive, collaborative notebooks in Jupyter, with the help of SageMathCloud. [Read more...]

Contents Introduction 1. First Steps 1.2 Adding Data 1.2.1 Example 1.4 Useful commands from other spatial R packages 3. Exporting your Web Widget 2.1 Shiny 2.2 RStudio GUI 2.3 Rmarkdown 2.4 Update 3. A closer look on addTile() and addLayersControl() Conclusion Introduction Leaflet lets you create interactive maps right from the R console. Interactive panning and zooming allows for an ... [Read more...]

[Read more...]

methylKit is an R package for DNA methylation analysis and annotation using high-throughput bisulfite sequencing data. We recently included a new function in methylKit called methSeg(). The function can segment methylation profiles (methylRaw obje... [Read more...]

Yup kids, it’s that time again. The new version of R was just released. In the past I’ve hesitated to upgrade my R version because I knew I would lose all of my packages during the new install, which makes me very grumpy. I found this neat little ... [Read more...]