R bloggers

Did you Know How to Use prop.table function in R | Proportional Analysis

October 26, 2024 | Zubair Goraya

How can understanding proportions transform the way you interpret data? If you're doing data analysis with R and need to break down complex frequency tables into insightful proportions, learn how to use the prop.table() function in R is the key to unlocking a new level of data understanding. Proportion ...

More neurons in the hidden layer than predictive features in neural nets

October 25, 2024 | arthur charpentier

This week, we were talking about neural networks for the first time, and I was saying that, in many illustrations of neural networks, there was a layer with fewer neurons than predictive variables, but sometimes, it could make sense to have more neurons in the layer than predictive variables, To ...

Polyglot Maxxie and Minnie

October 25, 2024 | Jonathan Carroll

Continuing my theme of learning all the languages, I took the opportunity of a programming puzzle to try out the same approach in a handful of different languages to compare how they work. For an upcoming APL’ers meetup the challenge was set as posed a...

Mastering Linux Terminal: Clear and History Commands for Beginners

October 24, 2024 | Steven P. Sanderson II, MPH

Introduction For newcomers to Linux, mastering terminal commands is essential for efficient system management. Two fundamental commands that every Linux user should know are clear and history. These commands help maintain a clean workspace and ...

Scraping the NYSE Composite Index

October 24, 2024 | R - datawookie

For a side project I needed to scrape data for the NYSE Composite Index going back as far as possible.

Dyson’s Algorithm for the Twelve Coins Problem

October 24, 2024 | John Mount

Nina continues with the 12 coins problem by transcribing Dyson’s algorithm into R. It is kind of a fun article. Most of us see the 12 coins problem as a one-off puzzle that we spend a little time with and give up on. In her earlier “The Twelve Coins Puzzle” […] [Read more...]

Table It Like a Pro: Print-Ready Tables in R

October 24, 2024 | Numbers around us

You’ve probably been there — mention to someone that you work with data, and they say, “Oh, so you just make tables?” Tables, right? How hard could it be? It’s just rows and columns. But we know better, don’t we? Tables aren’t just a random dumping gro...

Enhancing Time Series Analysis: RandomWalker 0.2.0 Release

October 23, 2024 | Steven P. Sanderson II, MPH

Introduction In the ever-evolving landscape of R programming, packages continually refine their capabilities to meet the growing demands of data analysts and researchers. Today, we’re excited to announce the release of RandomWalker version 0.2....

Asset Price Data

October 23, 2024 | R - datawookie

In a previous post I looked at retrieving a list of assets from the Alpaca API using the {alpacar} R package. Now we’ll explore how to retrieve historical and current price data.

Mastering Mathematics in C Programming: A Beginner’s Guide

October 22, 2024 | Steven P. Sanderson II, MPH

Introduction When starting your journey in C programming, understanding how to perform mathematical operations is fundamental. Whether you’re calculating simple arithmetic or complex mathematical expressions, C provides powerful tools and opera...

rOpenSci News Digest, October 2024

October 22, 2024 | rOpenSci - open tools for open science

Dear rOpenSci friends, it’s time for our monthly news roundup! You can read this post on our blog. Now let’s dive into the activity at and around rOpenSci! rOpenSci HQ Fostering open science in Latin America: CZI awards funds for susta... [Read more...]

PowerQuery Puzzle solved with R

October 22, 2024 | Numbers around us

#227–228PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #227We are given two tables one with employees data, and second with conditional assignment of salary. The...

Python for R users (repost)

October 22, 2024 | Stephen Turner

This is reposted from the original at https://blog.stephenturner.us/p/python-for-r-users.---A Google search for “R vs Python” returns thousands of hits across sites like Reddit, IBM, Datacamp, Coursera, Kaggle, and many others. A quick Googl...

Time Series Machine Learning: S&P 500

October 22, 2024 | Selcuk Disci

It does not seem to be a safe entry point for the S&P 500 market ahead of the FED rate cuts. Source code:

How to Loop Through List in R with Base R and purrr: A Comprehensive Guide for Beginners

October 21, 2024 | Steven P. Sanderson II, MPH

Introduction R programming has become an essential tool in the world of data analysis, offering powerful capabilities for manipulating and analyzing complex datasets. One of the fundamental skills that beginner R programmers need to master is t...

Looking for Maintainers to Support First-Time Contributors

October 21, 2024 | rOpenSci - open tools for open science

Do you remember your first contribution to open source? Or are you still waiting to make it? Contributing to open source can be very rewarding, but also incredibly intimidating. When we asked about first time contributions on the rOpenSci Slack, peopl... [Read more...]

R Solution for Excel Puzzles

October 21, 2024 | Numbers around us

Puzzles no. 564–568PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #564Have you ever thought about sorting only part of given data, not even changing position whe...

Visualizing Variance with Sankey diagrams/Riverplots using R: An Illustration with Longitudinal Multi-level Modeling workshop

October 21, 2024 | Dariia Mykhailyshyna

Join our workshop on Visualizing Variance with Sankey diagrams/Riverplots using R: An Illustration with Longitudinal Multi-level Modeling, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Visualizing Variance with Sankey diagrams/Riverplots using R: An Illustration with Longitudinal Multi-level Modeling Date: Thursday, ... [Read more...]

Understanding Difference-in-Differences: Basics and Beyond with Applications in R workshop

October 21, 2024 | Dariia Mykhailyshyna

Join our workshop on Understanding Difference-in-Differences: Basics and Beyond with Applications in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Understanding Difference-in-Differences: Basics and Beyond with Applications in R Date: Thursday, November 21st, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone) Speaker: Tobias Eibinger ... [Read more...]

A Guide to Validating R (Shiny) Applications in Pharma

October 21, 2024 | Gift Kenneth

Validating R Shiny applications is critical in the pharmaceutical industry, where data integrity, compliance, and patient safety are essential. Building on our post on R package validation, Shiny apps introduce unique challenges due to their interactive nature and real-time data processing compared to packages. To meet FDA (US), EMA (EU), ...

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