How can you work faster in R Studio? Do you really want to know? In this article, I would like to share with you some of my favorite productivity features of R Studio along with their respective shortcuts. As well I will provide information about some other tools and techniques ...

These are the notes for the second lecture in the unit on text processing. Some useful ideas like exact string matching and the definitions of characters and strings are covered in the notes of Natural Language Processing in R: Strings and Regular Expressions Edit distance, also called Levenshtein distance, is ...

In this post, I go through a lesson in natural language processing (NLP), in R. Specifically, it covers how strings operate in R, how regular expressions work in the stringr package by Hadley Wickham, and some exercises. Included with the exercises are a list of expected hang-ups, as well as ...

Garmin Connect has a number of plots built in, but to take a deeper dive into all your fitness data, you need to export a CSV and fire up R. This post is a quick guide to some possibilities for running data.  There’s a few things that I wanted ...

„Introduction to R“ and „Introduction to Machine Learning with R“ in Hamburg! Ensure your participation in our popular eoda courses until April 14th and become an R-expert in May. What…

When I was first learning R, working with dates was one of the hardest and most time consuming tasks I dealt with. There are so many things to learn! What do I do with as.POSIXct(), as.POSIXlt(), strftime(), strptime(), format(), and as.Date()? R date formats were confusing, and ...

One of the essential parts of Search Engine Optimisation (SEO) is a logical site structure. Site structure relates to how the pages of a website link to each other. A well-designed structure of internal links improves the user's experience. It also helps web crawlers to find their way through the ...

“Security” can be a daunting, scary, and (frankly) quite often a very boring topic. BUT!, we promise that this Community Call on May 7th will be informative, engaging, and enlightening (or, at least not boring)! Applying security best practices is essential not only for developers or sensitive data storage but ...

About half a year ago I wrote about dqsample providing a bias free alternative to base::sample(). Meanwhile this is mostly of historic interest, since the upcomming R release 3.6.0 will see an updated sampling algorithm. However, some of the techniques used in dqsample are now part of dqrng. Of course, ...

A good friend shared with us a great picture of Practical Data Science with R, 1st Edition hanging out in Cambridge at the MIT Press Bookstore. This is as good an excuse as any to share a book update. Nina Zumel and I (John Mount) are busy revising chapters 10 and 11 ...

The post Analyse Site Structure and Internal Linking Structure with igraph appeared first on The Lucid Manager. This article discusses how to analyse site structure and internal linking structure of a Wordpress website using the iGraph package in R. The post Analyse Site Structure and Internal Linking Structure with igraph ...

„Introduction to R“ and „Introduction to Machine Learning with R“ in Hamburg! Ensure your participation in our popular courses until April 14th and become an R-expert in May. What you…

In a post last week I talked a bit about Permutation (Randomization) tests, and how they differ from the (classical parametric) testing procedure that we generally use in econometrics. I'm going to assume that you've read that post. (There may be a snap quiz at some point!) I promised that ...