## R Improvements for Bio7 2.5

31.03.2017 The next release of Bio7 comes with many new R features and improvements which were integrated since the last release. In this post I like to present a subset...continue reading.

31.03.2017 The next release of Bio7 comes with many new R features and improvements which were integrated since the last release. In this post I like to present a subset...continue reading.

Update: I’ve included another way of saving a separate plot by group in this article, as pointed out by @monitus. Actually, this is the preferred solution; using dplyr::do() is deprecated,...continue reading.

This blog post is about my recently released package on CRAN, geojsonR. The following notes and examples are based mainly on the package Vignette. “GeoJSON is an open standard format...continue reading.

Trying gradient descent for linear regression The best way to learn an algorith is to code it. So here it is, my take on Gradient Descent Algorithm for simple linear...continue reading.

In my last set of posts, I wrote about analyzing data from the Accupedo step counter app I have on my phone. In this post, I’ll talk about some additional...continue reading.

I’m happy to announce my first R package, called brotools. This is a package that contains functions that are specific to my needs but that you might find also useful....continue reading.

The Economics chapter of my Empirical software engineering book has been added to the draft pdf (download here). This is a slim chapter, it might grow a bit, but I...continue reading.

I want to give a quick tutorial on fitting Linear Mixed Models (hierarchical models) with a full variance-covariance matrix for random effects (what Barr et al 2013 call a maximal...continue reading.

In this tutorial, we will see how to extract and analyze facebook data using R. Facebook has crossed more than 1 billion active users. Facebook has gathered the most extensive...continue reading.

Conway-Maxwell-Poisson (CMP) regression is a flexible way to model frequency outcomes with both under-dispersion and over-dispersion. In SAS, CMP regression can be estimated with COUNTREG procedure directly or with NLMIXED...continue reading.

On 22. March a first special R related meetup called R<-Slovakia took place. As the name of the meetup group implies, it is based in Slovakia, in its capital -...continue reading.

This post is the result of work performed in collaboration with my colleague Eleonora Paparelli (who actually did most of the work!). We wanted to compare several distributions using Wilcoxon...continue reading.

I think that it doesn’t matter what operating system you use — as long as you know your OS of choice well!:bowtie: This is a Linux command cheat sheet covering...continue reading.

purrr is a package that extends R’s functional programming capabilities. It brings a lot of new stuff to the table and in this post I show you some of the...continue reading.

A Quick Overview of the ggplot2 Package in R While it will be important to focus on theory, I want to explain the ggplot2 package because I will be using...continue reading.

This one cost me more time to figure out than it should have. The reason being, it turns out that I never properly understood what the source() function does. So...continue reading.

Thanks for visiting r-craft.org This article is originally published at https://www.daeconomist.com/ Please visit source website for post related comments. Thanks for visiting r-craft.org This article is originally published at https://www.daeconomist.com/...continue reading.

It’s been a while since I had the opportunity to post something on music. Let’s get back to that.I got my hands on some song lyrics by a range of...continue reading.

Like I mentioned in my last blog post, I am contributing to a session at userR 2017 this coming July that will focus on discovering and learning about R packages....continue reading.

Partial correlation measures linear relationship between two variables, while controlling the effect of one or more variable. In this tutorial, we will see the difference between partial and semipartial correlation and...continue reading.