Enough trying to use LTO
After months and months of working trying to get R on 64 bit Windows to work with link-time-optimization (LTO), I’ve come to the conclusion that GCC 4.9.3’s implementation of LTO...continue reading.
Monthly Archive: January 2017
Empirical Software Engineering using R: first draft available for download
A draft of my book Empirical Software Engineering using R is now available for download. The book essentially comes in two parts: statistical techniques that are useful for analyzing software...continue reading.
Hello R world post
Welcome to my blog! My name is Ilya, I am a demographer. Here I plan to post some research related stuff. As I am crazy about R, my post will...continue reading.
Visualization of MRI data in R
Lately I was getting a little bored with genomic data (and then TCGA2STAT started to give me a segfault on my university’s high performance computing facility too :stuck_out_tongue:). So I...continue reading.
What is new in the intrval R package?
An update (v 0.1-1) of the intrval package was recently published on CRAN. The package simplifies interval related logical operations (read more about the motivation in this post). So what...continue reading.
What is new in the intrval R package?
An update (v 0.1-1) of the intrval package was recently published on CRAN. The package simplifies interval related logical operations (read more about the motivation in this post). So what...continue reading.
An alternative to the Mexico-US wall where the US would gain millions of dollars
tl;dr There is a 600 million to 2 billion USD annual market related to crossing the Mexico-US border. Allow temporary work visas (say 3 years) to take over this market...continue reading.
An alternative to the Mexico-US wall where the US would gain millions of dollars
tl;dr There is a 600 million to 2 billion USD annual market related to crossing the Mexico-US border. Allow temporary work visas (say 3 years) to take over this market...continue reading.
Descriptive Analysis of MLST Data for MRSA
During one of my summers, I had the opportunity to conduct some research on the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in vulnerable populations and examining US emergency department data...continue reading.
Creating a “balloon plot” as alternative to a heat map with ggplot2
Heat maps are great to compare observations with lots of variables (which must be comparable in terms of unit, domain, … Read More →continue reading.
xml2 1.1.1
Today we are pleased to release version 1.1.1 of xml2. xml2 makes it easy to read, create, and modify XML with R. You can install it with: install.packages("xml2") As well...continue reading.
sparklyr 0.5: Livy and dplyr improvements
We’re happy to announce that version 0.5 of the sparklyr package is now available on CRAN. The new version comes with many improvements over the first release, including: Extended dplyr...continue reading.
Releasing RQGIS 0.2.0
Today we are happy to announce a new version of RQGIS! RQGIS establishes an interface between R and QGIS, i.e. it allows the user to access the more than 1000...continue reading.
Interactive BMI Chart
I was recently listening to the #WhoIsFat Joe Rogan podcast where comedians Bert Kreischer and Tom Segura had their weight loss challenge weigh-ins. The challenge was for both guys to...continue reading.
Monotonic Binning with Smbinning Package
The R package smbinning (https://cran.r-project.org/web/packages/smbinning/index.html) provides a very user-friendly interface for the WoE (Weight of Evidence) binning algorithm employed in the scorecard development. However, there are several improvement opportunities in...continue reading.
Predicting the Zakopane 2017 men’s ski jumping competition
When I was a young boy with a wild imagination, I used to try my hand at numerous sports ranging from tennis to gaelic footbal to soccer, each with varying...continue reading.
Analyzing Accupedo step count data in R
Accupedo is a great (and free!) step counting app that I’ve been using for a while now to keep track of how much I walk every day. The app measures...continue reading.
Generate text using Markov Chains (sort of)
Inspired by the hilarious podcast The Greatest Generation, I have worked again with all the lines from all the episode scripts of TNG. Today I will make a clunky bot...continue reading.
Cointegrated ETF Pairs Part II
Update 5/17: As discussed in the comments, the reason the results are so exaggerated is because it is missing portfolio rebalancing to account for the changing hedge ratio. It would...continue reading.
Easily explore a table with shinycsv
Have you ever had to explore a table with data? I believe the answer is yes for most people that work at a computer or even just use it for...continue reading.
