This is a “hello world” example website for the blogdown package. The theme was forked from @jrutheiser/hugo-lithium-theme and modified by Yihui Xie. [Read more...]
A second Armadillo release 6.700.6 came out in the 6.700 series, and we uploaded RcppArmadillo 0.6.700.6.0 to CRAN and Debian. This followed the usual thorough reverse-dependecy checking of by now 220 packages using.
This release is a little unusual... [Read more...]
I’d like to urge all of you in Northern California to attend iidata, a student-run conference in data science, to be held on the UC Davis campus on May 21. According to the Web page, iidata is a one-day, collegiate-level Data Science convention aimed at educating students in the new, ... [Read more...]
A while ago, I wrote about soccer odds in Germany. Specifically I wrote about the odds of relegation for two local teams; SV Darmstadt and Eintracht Frankfurt.
As the season progressed in quite a negative sense, the question is still relevant.
Let’s have a quick look at the current ... [Read more...]
The riddle from The Riddler this week is about finding an undirected graph with N nodes and no isolated node such that the number of nodes with more connections than the average of their neighbours is maximal. A representation of a connected graph is through a matrix X of zeros ... [Read more...]
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a GNU General Public License (GPL v3) license from .
Abstract
This is a small note rediscovering a gem published by S. R. Dalal and C. L. Mallows on ...
[social4i size=”large” align=”float-right”] (This is a re-post from the R packages mailing list) A week ago a new R packages appeared on CRAN [Read more...]
vtreat cross frames John Mount, Nina Zumel 2016-05-05 As a follow on to “On Nested Models” we work R examples demonstrating “cross validated training frames” (or “cross frames”) in vtreat. Consider the following data frame. The outcome only depends on the “good” variables, not on the (high degree of ...
R 3.3.0, a major annual update to the R Language, was released earlier this week and is now available from your local CRAN mirror for Windows, Mac (OSX 10.6 or later) and Linux systems. (Or as always, you can build it yourself from sources). This update — codenamed "Supposedly Educational" — makes a number ... [Read more...]
The R package ‘manipulate’ can be used to create interactive plots in RStudio. Though not as versatile as the ‘shiny’ package, ‘manipulate’ can be used to quickly add interactive elements to standard R plots. This can prove useful for demonstrating statistical concepts, especially to a non-statistician audience. The R code ...
Today is my birthday and it happened to be the release day of Bioconductor 3.3. It’s again the time to reflect what I’ve done in the past year.
ChIPseeker
clusterProfiler
DOSE
ggtree
GOSemSim
ReactomePA
ChIPseeker
Although ChIPseeker was designed for ChIP-seq annotation, I am very glad to find that ... [Read more...]
The interwebs has been aflush with interesting data science material.
Tweet Big Five Personality Tests Have Never Been So Fun(ny)
Tweet Gelman on A Beautiful Sentiment
Any time Gelman has something to say about graphics and method... [Read more...]
Help Me, Help You
As an R-dev, I’d like to know I’m meeting community need, as well as my own. But after an initial “aha!” moment, you don’t always know how to live up to the full potential of what you’ve started with a package. For ... [Read more...]
The interwebs has been aflush with interesting data science material.
Tweet Big Five Personality Tests Have Never Been So Fun(ny)
Tweet Gelman on A Beautiful Sentiment
Any time Gelman has something to say about graphics and methods, it’s useful. This seems like one of my first memories, though, ... [Read more...]
via GIPHY
Help Me, Help You
As an R-dev, I’d like to know I’m meeting community need, as well as my own. But after an initial “aha!” moment, you don’t always know how to live up to the full potential of what you’ve started with a ... [Read more...]
In Denmark we have official lists of what people are allowed to have as first names. That means there are lists of government approved boys names, girls names and unisex names. There is a total of 18.529 approved girls names, 15.052 boys names and 813 unisex names. This means that we can write ...
A couple of years ago, I was interested in a pharmacokinetic/pharmacodynamics (PK/PD) modeling and simulation project developed at the institute where I worked. It seemed that Matlab and its SimBiology toolbox was the tool everybody around me went with. While … Continue reading → [Read more...]
by Andrie de Vries One of the most exciting features of the forthcoming release of SQL Server 2016 (generally available on June 1, and in preview now) is the ability to run R scripts directly in database using SQL Server R Services. This means your R code will run directly on the ... [Read more...]
Introduction GPUs (Graphic Processing Units) have become much more popular in recent years for computationally intensive calculations. Despite these gains, the use of this hardware has been very limited in the R programming language. Although possible, the prospect of programming in either OpenCL or CUDA is difficult for many programmers ... [Read more...]