In this post, we’ll return to analyzing rap lyrics using statistical and data analytic tools (the first posts of this blog dealt primarily with this topic). Specifically, in this post...continue reading.
The relationship between paired t-tests and linear mixed models in a 2×2 repeated measures design Assume that we have four random variables \(X_1,\dots,X_4\), each has standard deviation \(\sigma\) and pairwise...continue reading.
A little-known fact: The paired t-test is equivalent to a linear mixed model with varying intercepts
A little-known fact: The paired t-test is equivalent to a linear mixed model with varying intercepts Given the assumptions above, the paired t-test is equivalent to fitting a varying intercept...continue reading.
[Thanks to Scott Glover for correcting me.] Someone recently said to me that the lower the p-value, the higher the likelihood ratio under the alternative vs the null. The arXiv...continue reading.
For some reason, I am unable to load this post to google blogger. I have linked the post to an html file on my home page. Please comment here on...continue reading.
In the last months, I started increasingly using Rmd documents for preparing scientific reports, blog posts, etcetera. While I really like the flexibility offered by the system, one thing that I thought...continue reading.
This article was updated on July 7 2018.Before installing anything I signed up on https://github.com/and created my R-ANALYTICS repository:https://github.com/LaranIkal/R-ANALYTICSNow the installation and setup.1. I installed git on Ubuntu, from a...continue reading.
Installing our R development environment on Ubuntu 16.04 And Elementary OS 0.4.1As the first blog entry I thought it would be a good starting point describing how to setup a...continue reading.
I was excited to get the chance to re-use the code from the previous post to solve a problem I recently had with a compilation of songs taken from different...continue reading.
The problemI am in the process of migrating my (rather ugly) small blog from “Bloggers” to `blogdown` and, as several others, I choose to use the hugo-academic theme due to its good looks, simplicity,...continue reading.
When it comes to undertaking complex data science projects, R is the preferred choice for many. Why? Because handling complex tasks is simpler in R than other comparable platforms.Regrettably, the...continue reading.
For over a century, academics have been teaching the Student’s T-test and practitioners have been running it to determine if the mean values of a variable for two groups were...continue reading.
The problemLast week, I replied to this interesting question posted by @Tim_K over stackoverflow. He was seeking efficient solutions to identify all points falling within a maximum distance of xx meters...continue reading.