What’s wrong with null models?
A guest post by Carsten F. Dormann Over the last years, I have been using null models more often than I liked. I had to, when there was no other way...continue reading.
Monthly Archive: June 2017
Freedman’s paradox
Recently I came across the classical 1983 paper A note on screening regression equations by David Freedman. Freedman shows in an impressive way the dangers of data reuse in statistical...continue reading.
Freedman’s paradox
Recently I came across the classical 1983 paper A note on screening regression equations by David Freedman. Freedman shows in an impressive way the dangers of data reuse in statistical...continue reading.
ANOVA in R: afex may be the solution you are looking for
Prelude: When you start with R and try to estimate a standard ANOVA , which is relatively simple in commercial software like SPSS, R kind of sucks. Especially for unbalanced...continue reading.
Taking Advanced Analytics to the Cloud – Part I: R on AWS
Running R on the cloud isn’t very difficult. This demo shows how to get Rstudio running on Amazon Web Services. To run R on the cloud we need to initiate...continue reading.
The Many-Faced Future
The future package defines the Future API, which is a unified, generic, friendly API for parallel processing. The Future API follows the principle of write code once and run anywhere...continue reading.
Packaging the TheyWorkForYou API
TheyWorkForYou is a great website for keeping up with British politics and one of the many fine things mySociety does to make democracy in the UK more transparent. There’s also...continue reading.
Taking Advanced Analytics to the Cloud – Part II: Objects from S3 to R using the aws.s3 package
When taking advanced analytics to the cloud you’ll need a strong understanding of your platform – whether it’s compute, storage, or some other feature. This tutorial walks you through reading...continue reading.
Fermi Poker – Gambling for quants and data scientists
Fermi problems are well known for honing your ability to estimate quantities that are difficult (or impossible) to measure. Named …Continue reading →continue reading.
Linking R to IQFeed with the QuantTools package
IQFeed provides streaming data services and trading solutions that cover the Agricultural, Energy and Financial marketplace. It is a well known and recognized data feed provider geared toward retail users and...continue reading.
RTutor: The effect of the TseTse fly on African Development
What is the causal impact of the TseTse fly on historical and current development in Africa? Marcella Alsan studies this question in her fascinating article ‘The effect of the TseTse...continue reading.
Deferred & Remote Function Execution in R
What would you say if you could automatically wrap your R pipeline – which consists of numerous functions and variables – into a single function? What would you say if...continue reading.
R Weekly Bulletin Vol – X
This week’s R bulletin will cover topics on grouping data using ntile function, how to open files automatically, and formatting an Excel sheet using R. Hope you like this R weekly bulletin....continue reading.
Shiny Server on Docker: CentOS 7 Edition
Docker is generally used for application development and deployment. While it is possible to develop and deploy Shiny applications in Docker containers, I have found it is much more useful...continue reading.
Interactive plot of fNIRS data
The easiest way to plot ETG-4000 data in R is by using plot_ETG4000() from fnirsr package. However, if you want to explore your data in more detail, then an interactive...continue reading.
Hacking the principles of #openscience #workshops
In a previous post, I discussed the key elements that really stood out for me in recent workshops associated with open science, data science, and ecology. Summer workshop season is...continue reading.
Hacking the principles of #openscience #workshops
In a previous post, I discussed the key elements that really stood out for me in recent workshops associated with open science, data science, and ecology. Summer workshop season is...continue reading.
Calculate Inflation with the blscrapeR Package
The Consumer Price Index (CPI) is the main standard for tracking the inflation of the U.S. dollar. The various CPI measures are published monthly by the Bureau of Labor Statistics....continue reading.
A tidy model pipeline with twidlr and broom
@drsimonj here to show you how to go from data in a data.frame to a tidy data.frame of model output by combining twidlr and broom in a single, tidy model...continue reading.
Correcting bias in meta-analyses: What not to do (meta-showdown Part 1)
tl;dr: Publication bias and p-hacking can dramatically inflate effect size estimates in meta-analyses. Many methods have been proposed to correct for such bias and to estimate the underlying true effect....continue reading.
