R2 - Learn Data Science with Travis - your AI-powered tutor

Negative R2: Where Did You Go Wrong?

Towards Data Science

A statistical example Continue reading on Towards Data Science

Unpacking R²

Towards Data Science

Data science is an iterative process, which is especially true for new practitioners. We can spend weeks on a project, only to later discover a fundamental flaw in the analysis. This post explores a…

What is R

Machine Learning Mastery

Last Updated on August 22, 2019 R is perhaps one of the most powerful and most popular platforms for statistical programming and applied machine learning. When you get serious about machine learning, ...

r² or R² — When to Use What

Towards Data Science

The Pearson correlation coefficient (r) is used to identify patterns in things whereas the coefficient of determination (R²) is used to identify the strength of a model.

Moving Away From R²

Towards Data Science

R² is a well known model metric that every data analyst has in her toolbelt, but despite its prevalence, there is a mismatch between how data analysts tend to talk about and use this metric versus…

#37: Introducing r2u with 2 x 19k CRAN binaries for Ubuntu 22.04 and 20.04

R-bloggers

One month ago I started work on a new side project which is now up and running, and deserving on an introductory blog post: r2u. It was announced in two earlier tweets (first, second) which contained ...

ch03.rst2

Natural Language Processing with Python

Interpreting R²: a Narrative Guide for the Perplexed

Towards Data Science

An accessible walkthrough of fundamental properties of this popular, yet often misunderstood metric from a predictive modeling perspective Photo by Josh Rakower on Unsplash R² (R-squared), also known...

Planet, revisted 2

Towards Data Science

This post is a bit of an experiment. I’m consistently impressed and confused by researchers like Leslie Smith and Jeremy Howard for the quality, and quantity of their work — and how complicated their…...

ch04.rst2

Natural Language Processing with Python

D3 and R, a match made in heaven

Towards Data Science

You have seen the gorgeous D3 graphs galleries. You have seen the amazing infographics on the New York Times website. Maybe, you felt inspired and went through a few D3 tutorials, bought an online…

Why R? Foundation 2022-01-05 10:18:19

R-bloggers

On Thursday, February 25th at 7 pm UTC | 8 pm CET, as part of the Why R? Webinar series, we have the honour to host Paul Bürkner, Junior Research Group Leader at the Cluster of Excellence SimTech at t...

Explaining negative R-squared

Towards Data Science

When I first started out doing machine learning, I learnt that: * R² is the coefficient of determination, a measure of how well is the data explained by the fitted model, * R² is the square of the coe...

My Life with the R-universe

R-bloggers

Summary Installing a package that has just been released to CRAN is painful for many users on Mac and Windows because often the difference between a ‘binary’ and a ‘source’ version is not immediately ...

R in Government

R-bloggers

How to join this free online event with Luíza Andrade, Karly Harker, Ahmadou Dicko and Pablo Tiscornia. In this community call, our panelists will share their experiences and examples of projects with...

R Warrior is here

R-bloggers

About a decade ago, I discovered the game Ruby Warrior by Ryan Bates. The concept was simple: get to the top of the tower to reach the precious Ruby. Instead of controlling the warrior directly, you w...

Rpy2 Made Easy

Analytics Vidhya

Rpy2 (R’s embed in python) can be pretty intimidating to use and solely because it’s not as well fleshed out as its individual parts. Also because it is much easier to use R and python by themselves…

Finding r in R

Towards Data Science

The correlation coefficient (r), the correlation coefficient of regression (r²), and the programming language R are all three iconic Rs of Data-Science. The correlation coefficient (r) is an…

Please save the unsolicited R01s

Simply Statistics

Editor’s note : With the sequestration deadline hours away, the career of many young US scientists is on the line. In this guest post, our colleague Steven Salzberg , an avid _ Editor’s note : With th...

What is R² score in Regression?

Python in Plain English

R-squared is a statistical measure that represents the goodness of fit. The R-squared score for a perfect fit of a regression model is 1. i.e, the model is fitted well as the r-squared value is close ...

A timeline of R’s first 30 years

R-bloggers

August 2023 marked the thirtieth anniversary of the first public release of the R programming language. To celebrate this, and to show how far the language has evolved across those three decades, the ...

What’s Wrong With R-Squared (And How to Fix It)

Towards Data Science

… No, the solution is not “Adjusted R-Squared” Continue reading on Towards Data Science

Why R? Foundation (Liquidation) 2023-12-17 16:24:42

R-bloggers

On Thursday, February 25th at 7 pm UTC | 8 pm CET, as part of the Why R? Webinar series, we have the honour to host Paul Bürkner, Junior Research Group Leader at the Cluster of Excellence SimTech at t...

Why R? Foundation 2022-01-05 10:18:19

R-bloggers

On Thursday, March 18th at 7 pm UTC | 8 pm CET, as part of the Why R? Webinar series, we have the honour to host David Gohel, from the Founder of ArData author of R packages, such ... Continue reading...