I recently bought a new laptop and began installing essential software all over again, including R of course! And I wanted all the libraries that I had installed in my previous laptop. Instead of installing libraries one by one all over again, I did the following: Step 1: Save a list of packages installed in … Continue reading Quick...
This article describes how to use Virtual tags to analyse SCADA data. Virtual tags provide context o SCADA or Historian data by combining information from various tags with meta...
I was recently confronted to a situation that required going from a long dataset to a wide dataset, but with a small twist: there were two datasets, which I...
This is a joyplot: a series of histograms, density plots or time series for a number of data segments, all aligned to the same horizontal scale and presented with...
I am working on v.0.4.0 of the padr package this summer. Two new features that will be added are wrappers around seq.Date and seq.POSIXt. Since it is going to...
To arrange multiple ggplot2 graphs on the same page, the standard R functions - par() and layout() - cannot be used. The basic solution...
One of the biggest challenges educators face is how to teach statistical thinking integrated with data and computing skills to allow our students to fluidly think with data. Contemporary data...
TL;DR C++ templates and function overloading are incompatible with R’s C API, so polymorphism must be achieved via run-time dispatch, handled explicitly by the programmer. ...
Earlier this month, I, along with John Nash, Spencer Graves, and Ludovic Vannoorenberghe, organized a session at useR!2017 focused on discovering, learning about, and evaluating R packages. You can...
Two hundred and thirty-eight new packages were added to CRAN in June. Below are my picks for the “Top 40”, organized into six categories: Biostatistics, Data, Machine Learning, Miscellaneous,...
The science of us - I’ve enjoyed maths for pretty much as long as I can remember. I’m aware that it is rare to make such a...
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...
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...
