Recently, I got a question on one of my previous blog posts, if there is possibility to pass two queries in same run-time as an argument to external procedure sp_execute_external_script. Some of the arguments of the procedure sp_execute_external_script are enumerated. This is valid for the inputting dataset and as the name of argument @input_data_1 suggests, … Continue reading Passing...
My sjstats-package has been updated on CRAN. The past updates introduced new functions for various purposes, e.g. predictive accuracy of regression models or improved support for the marvelous glmmTMB-package....
Matt @stiles is a spiffy data journalist at the @latimes and he posted an interesting chart on U.S. Attorneys General longevity (given that the current US AG is on...
SQL Server 2017, the next major release of the SQL Server database, has been available as a community preview for around 8 months, but now the first full-featured release...
Statistics are often taught in school by and for people who like Mathematics. As a consequence, in those class emphasis is put on leaning equations, solving calculus problems and...
This post is more for personal use than anything else. It is just a collection of code and functions to produce some of the most used experimental designs in...
July 21-22 saw the 18th incarnation of the Bioinformatics Open Source Conference, which generally precedes the ISMB meeting. I had the great pleasure of attending BOSC way back in...
The MODIStsp website, which lay abandoned since several months on github pages, recently underwent a major overhaul thanks to pkgdown. The new site is now available at http://lbusett.github.io/MODIStsp/ We hope that the...
What are people saying about International Congress for Conservation Biology 2017 on Twitter? Here’s a brief analysis of tweets from the International Congress for Conservation Biology to date. The conference...
At the useR!2017 conference earlier this month, my colleague Ali Zaidi gave a presentation on using Neural Embeddings to analyze GitHub pull request comments (processed using the tidy text...
One of the many nice things about summer is the time and space it allows for blogging. And, after a very stimulating SRTL conference (Statistics Reasoning, Teaching and Learning)...
Highcharts has long been a favourite visualisation library of mine, and I’ve written before about Highcharter, my preferred way to use Highcharts in R. Highcharter has a nice simple...
Ensemble Learning is a type of Supervised Learning Technique in which the basic idea is to generate multiple Models on a training dataset and then simply combining(average) their Output...
Stippling is the creation of a pattern simulating varying degrees of solidity or shading by using small dots (Wikipedia).StippleGen is a piece of software that renders images using stipple...
Recently a blog post made its rounds on the internet describing how it is possible to speed up plot creation in ggplot2 by first creating a blank canvas and then later adding...
The content in this blog comes from a shiny application proof of concept using IMDB movie data. To view the application: IMDB Movie Data App on The post Runtime...
The title may seem tautological, but since the arrival of dplyr 0.7.x, there have been some efforts at using dplyr without actually using it that I can’t quite understand. The tidyverse has raised passions, for and against...
Annotation & Sankey Charts In the eighth part of our series we are going to learn about the features of some interesting types of charts. More specifically we will...
It has been a while since any kind of significant update has been released for the ggetern library, and the other day a minor update was submitted to CRAN,...
This blog post will be fairly short, given the minor nature of the update. Several users complained about OAUTH2 authentication not working, which I didn’t know because I usually use...
In the second part in a series on Tidy Time Series Analysis, we’ll again use tidyquant to investigate CRAN downloads this time focusing on Rolling Functions. If you haven’t...
seplyr is an R package that makes it easy to program over dplyr 0.7.*. To illustrate this we will work an example. Suppose you had worked out a dplyr...
At my day job I’m a data manager and statistician for an epidemiology project called CHAI lead by Cathryn Tonne. CHAI means “Cardio-vascular health effects of air pollution in...
It was another productive week in Stan land. The big news is that Jonathan Auerbach reports that A team of Columbia students (mostly Andrew’s, including myself) recently won first...
IEEE Spectrum has published its fourth annual ranking of of top programming languages, and the R language is again featured in the Top 10. This year R ranks at...
Introduction R Markdown is one of the most popular data science tools and is used to save and execute code to create exceptional reports whice are easily shareable. The...
Power analysis is extremely important in statistics since it allows us to calculate how many chances we have of obtaining realistic results. Sometimes researchers tend to underestimate this aspect...
I recently read the high quality book Global Inequality by Branko Milanovic. When reading this sort of thing, I often find I can increase my engagement with a...
“‘Demographic tsunami’ will keep Sydney, Melbourne property prices high” screams the headline. While the census showed Australia overall is aging, there’s been a noticeable lift in the number of...
