Harry Potter and competition results with comperes
Exploration of Harry Potter Books Survey results with help of my new comperes package. About a month ago I decided to add interesting data set to my almost finished (hopefully,...continue reading.
Monthly Archive: May 2018
RStudio Connect v1.6.2
RStudio Connect version 1.6.2 is now available! There are a handful of new features that are highlighted below. We encourage you to upgrade as soon as possible! Recommend Building R...continue reading.
R Courses in Hamburg
Big news, from the 13th till the 27th June Jumping Rivers will be running 6 courses on R in Hamburg!!. It should be noted that each course runs for one...continue reading.
An R Tutorial: Visual Representation of Complex Multivariate Relationships Using the R qgraph Package, Part Two Repost
This is a repost of the original article that was posted as an embedded PDF file. Douglas M. Wiig April 8, 2018 Abstract This article is part of my...continue reading.
Introduction to Machine Learning for non-developers
A brief introduction to machine learning using the intuition behind decision trees and random forest for non-developers.continue reading.
simmer 3.8.0
The 3.8.0 release of simmer, the Discrete-Event Simulator for R, hit CRAN almost a week ago, and Windows binaries are already available. This version includes two highly requested new features that...continue reading.
R Weekly 2018-19 pkgdown, tweets, showcase
Hello and welcome to this new issue! pkgdown 1.0.0 Seventeen Minutes From Tweet To Package DataVis showcase from Emi Tanaka 📦 Go Live for More New Pkgs 📦 CRAN pkgdown...continue reading.
Send tweets from R: A very short walkthrough
There are a few reasons why you might want to send tweets from R. You might want to write a Twitter bot or – as in my case – you...continue reading.
Install github package on safe haven server
I’ve had few enquires about how to install the summarizer package on a server without internet access, such as the NHS Safe Havens. Uploadsummarizer-master.zip from here to server. Unzip. Run...continue reading.
Confessions of a Data Scientist: Why I quit social media and still cut my own grass
I hate to have to read a long blog post before I get to the payoff. So here is mine: Social media fosters a short attention span by triggering a...continue reading.
Regression with Interaction Terms – How Centering Predictors influences Main Effects
Centering predictors in a regression model with only main effects has no influence on the main effects. In contrast, in a regression model including interaction terms centering predictors does have...continue reading.
A macro to execute PROC TTEST for multiple binary grouping variables in SAS (and sorting t-test statistics by their absolute values)
In SAS, you can perform PROC TTEST for multiple numeric variables in the same procedure. Here is an example using the built-in data set SASHELP.BASEBALL; I will compare the number...continue reading.
Do you really need a multilevel model? A preview of powerlmm 0.4.0
In this post I will show some of the new simulation features that will be available in powerlmm 0.4.0. You can already install the dev version from GitHub. # GitHub...continue reading.
A Different Way To Think About Drawdown — Geometric Calmar Ratio
This post will discuss the idea of the geometric Calmar ratio — a way to modify the Calmar ratio to … Continue reading →continue reading.
MLE with General Optimization Functions in R
In my previous post (https://statcompute.wordpress.com/2018/02/25/mle-in-r/), it is shown how to estimate the MLE based on the log likelihood function with the general-purpose optimization algorithm, e.g. optim(), and that the optimizer...continue reading.
Career Panel at the 2018 Canadian Statistics Student Conference – McGill University, Montreal, Quebec
I will speak on the career-advice panel at the 2018 Canadian Statistics Student Conference. It will be held on Saturday, June 2, at McGill University. If you will attend this...continue reading.
Yes, statistical errors are slowing down scientific progress!
Over at dynamic ecology, Jeremy Fox argues that Technical statistical mistakes are overrated; ecologists (especially students) worry too much about them. Individually and collectively, technical statistical mistakes hardly ever appreciably...continue reading.
Bayesian Inference with Backfitting MCMC
Previous posts in this series on MCMC samplers for Bayesian inference (in order of publication): Bayesian Simple Linear Regression with Gibbs Sampling in R Blocked Gibbs Sampling in R for...continue reading.
Qualitative Data Science: Using RQDA to analyse interviews
How can R be used to conduct qualitative data science? An example analyses interviews with customer advocacy groups and regulators of water utilities using the RQDA package. The post Qualitative...continue reading.
Create a Twitter bot for your local animal shelter using rtweet
Create an app and a token GET some pet data Formulate the tweet Tweet and automate Next Steps Acknowledgements References A month or so ago, I came across a cool...continue reading.
