Reproducible research and a repository of artifacts, a RFC
This work is still in progres. I think, however, it can already resonate with some people in the community. The communication I am hopeful for should lead to a better...continue reading.
Monthly Archive: August 2018
Introduction to recommender systems
Why build a recommender system? The most wonderful and most frustrating characteristic of the Internet is its excessive supply of content. As a result, many of today’s commercial giants are...continue reading.
rstudio::conf(2019) contributed talks & e-posters
rstudio::conf, the conference on all things R and RStudio, will take place January 17 and 18, 2019 in Austin, Texas, preceded by Training Days on January 15 and 16. We...continue reading.
R Weekly 2018-34 Best Practices Badge, Medicine
Hello and welcome to this new issue! Highlight CII Best Practices Badge for R Packages – responding to concerns R/Medicine Conference R in Organizations What’s new with R Consortium funded...continue reading.
rstudio::conf(2019) contributed talks & e-posters
rstudio::conf, the conference on all things R and RStudio, will take place January 17 and 18, 2019 in Austin, Texas, preceded by Training Days on January 15 and 16. We...continue reading.
Little image experiment on my son
Please don’t report me to the authorities for conducting a little frivolous experiment on my son. There is this nice python package ‘face_recognition’, it can recognize, manipulate faces in pictures...continue reading.
Statistics Sunday: Using Text Analysis to Become a Better Writer
Using Text Analysis to Become a Better WriterWe all have words we love to use, and that we perhaps use too much. As an example: I have a tendency to...continue reading.
Ordered Probit Model and Price Movements of High-Frequency Trades
The analysis of high frequency stock transactions has played an important role in the algorithmic trading and the result can be used to monitor stock movements and to develop trading...continue reading.
Topic modelling in R language using JSTOR’s data for research (dfr)
This is a a step by step guide to perform topic modelling in R language using JSTOR’s data for research (dfr) and visualize it with drf-browser developed by Andrew Goldstone....continue reading.
Topics and Categories in the Russian Troll Tweets
Topics and Categories in the Russian Troll Tweets I decided to return to the analysis I conducted for the IRA tweets dataset. (You can read up on that analysis and...continue reading.
An R package to create NEWS.md files
A while back, I started to create an R package that would help me and my collegues at STATWORX with our daily work. After writing the DESCRIPTION file, I did...continue reading.
A Review of James Picerno’s Quantitative Investment Portfolio Analytics in R
This is a review of James Picerno’s Quantitative Investment Portfolio Analytics in R. Overall, it’s about as fantastic a book … Continue reading →continue reading.
Many reports from 1 RMarkdown file
I was at the EdinbR talk this week by the RStudio community lead – Curtis Kephart. It was really interesting, but I disagree with his suggestion to point and click...continue reading.
Make R speak
Every wanted to make R talk to you? Now you can, with the mscstts package by John Muschelli. It provides an interface to the Microsoft Cognitive Services Text-to-Speech API (hence...continue reading.
Updates to the sergeant (Apache Drill connector) Package & a look at Apache Drill 1.14.0 release
Apache Drill 1.14.0 was recently released, bringing with it many new features and a temporary incompatibility with the current rev of the MapR ODBC drivers. The Drill community expects new...continue reading.
Basic Generalized Linear Modeling – Part 3: Exercises
In this exercise, we will continue to solve problems from the last exercise about GLM here. Therefore, the exercise number will start at 9. Please make sure you read and...continue reading.
Beyond Basic R – Mapping
Introduction There are many different R packages for dealing with spatial data. The main distinctions between them involve the types of data they work with — raster or vector —...continue reading.
Bio7 2.9 Released
16.08.2018 A new release of Bio7 is available. The new Bio7 2.9 release comes with a plethora of new R features and bugfixes. Release Notes: General: Based on Eclipse 4.8...continue reading.
Linear programming in R
Linear programming is a technique to solve optimization problems whose constraints and outcome are represented by linear relationships.Simply put, linear programming allows to solve problems of the following kind:Maximize/minimize $\hat...continue reading.
Remaking ‘Luminance-gradient-dependent lightness illusion’ with R
A blogpost inspired by a tweet and a YouTube video. ‘Luminance-gradient-dependent lightness illusion’ In the last days, I’ve stumbled upon this tweet: A demo of lightness perception pic.twitter.com/BSVpgcuIw1 — Akiyoshi...continue reading.
