R News from another blog for R community
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.
A brief introduction to machine learning using the intuition behind decision trees and random forest for non-developers.continue reading.
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.
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.
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.
This post will discuss the idea of the geometric Calmar ratio — a way to modify the Calmar ratio to … Continue reading →continue reading.
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.
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.
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 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.