These include both global methods, which involve fitting a regression over the whole time series; and more flexible local methods, where we relax the constraint...
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These include both global methods, which involve fitting a regression over the whole time series; and more flexible local methods, where we relax the constraint...
I was trying to find an apt image to accompany this post, but googling “sleek and shiny” mostly brought up images of women with ridiculously, well, sleek and shiny...
A new maintenance release, now at version 0.9.11, of the RcppClassic package arrived earlier today on CRAN. This package provides a maintained version of the otherwise deprecated initial...
Hope you liked the Part 1 and Part 2 of this Series. In this Part 3, we will go through the tools used during the analyze phase of Six...
Given the vast amount of R packages available today, it makes sense (at least to me, as a trained economist) to ask a simple yet difficult question: How much...
I’ve blogged about how to use Amazon Athena with R before and if you are a regular Athena user, you’ve likely run into a situation where you prepare a...
![[Web2Day] Producing web content with R](https://colinfay.me/assets/img/web2day.png)
Earlier this week, my talk at the Web2Day conference was put online. Here is an english summary for those who don’t understand french :) Disclaimer: this talk has been...
In this short post, I talk about why I’m moving away from using function apply. With matrices It’s okay to use apply with a dense matrix, although you can...
Many users have tried to do a seasonal decomposition with a short time series, and hit the error “Series has less than two periods”. The problem is that the usual...
The data Standardize Effect of Standardization At a general level At a participant level ...
Stencila launches the first version of its (open source) word processor and spreadsheet editor designed for researchers. By Michael Aufreiter, Substance, and Aleksandra Pawlik and Nokome Bentley, Stencila Stencila...
Introduction During a recent negotiation of an informed consent form for use in a clinical trial, the opposing lawyer and I skirmished over the applicability of the Genetic Information...
In the first part of Introducing the Kernelheaping Package I showed how to compute and plot kernel density estimates on rounded or interval censored data using the Kernelheaping package....
Machine Learning (ML) is still an underdog in the field of economics. However, it gets more and more recognition in the recent years. One reason for being an underdog...
Mixture model A Gaussian mixture model is a probabilistic way of representing subpopulations within an overall population. We only observe the data, not the subpopulation from which observation belongs. We have $N$ random...
For our July 13th 2018 LIBD rstats club meeting we decided to check as much as we could the useR!2018 conference. Here’s what we were able to figure out...
It is exciting for us to see the amazing growth of the R Markdown ecosystem over the four years since the creation of R Markdown in 2014. Now you...
The process involves two stages. First, collate individual cases of raw data together with a grouping variable. Second, perform which calculation you want on each...
Microsoft has released a number of data sets produced by Microsoft Research and made them available for download at Microsoft Research Open Data. The Datasets in Microsoft Research Open...
Just a little fun today… the R console isn’t the most interesting of things… text is typically either black or red (assuming default settings in RStudio). There’s a package...
Last year I decided to take out the domain Choroplethr.com. I used it to host information about Choroplethr, my suite of R packages for mapping... The post New Version of...
Richard McElreath inquires: I was helping a colleague recently fix his MATLAB code by using log_sum_exp and log1m tricks. The natural question he had was, “where do you learn...
Some time ago, Maëlle Salmon published a very nice post showing how she scraped her mathematical family tree from the Mathematics Genealogy Project. Of course I immediately wanted to...
If your new to modelling in R and don’t know what this title means, you definitely want to look into doing it. I’ve always been a fan of converting...
I’ll be giving talks and workshops at the following three upcoming conferences; hope to meet some of you there! From 15th to 17th October 2018, I’ll be in London for...
Evolutionary biologists are increasingly using R for building, editing and visualizing phylogenetic trees. The reproducible code-based workflow and comprehensive array of tools available in packages such as ape, phangorn and phytools make R an...
1. Improve sampler efficiency by picking the right model We need to address how we specify our models before even discussing writing code that is...
rquery and rqdatatable are new R packages for data wrangling; either at scale (in databases, or big data systems such as Apache Spark), or in-memory. The speed up both...
