R-bloggers

Introduction A navigation mesh is a data structure used to aid in pathfinding around obstacles. Originally used for video games and robotics, we can also apply the concept of this navigational mesh to the movement of...

The Central Bank of the Republic of Turkey (CBRT) provides a wealth of economic data crucial for researchers, analysts, and policymakers. Through the Electronic Data Delivery System (EVDS ), users can access time-series data on various econ...

I wrote a post last year looking at how to employ tools in LangChain to have GPT-3.5 Turbo access information on the web, outside of its training data. The purpose of the present post is to revisit this post, improving the poor performance I saw there through refactoring and prompt ...

 Reposted from the original at https://blog.stephenturner.us/p/bluesky-analysis-claude-llama-tidyverse.Summary, translation, and sentiment analysis of Bluesky posts on a topic using atrrr, tidyverse/ellmer, and mlverse/mall with Claude and ot...

Have You Heard of the 4-4-5 Calendar? 📆 If you’ve worked in retail, you might already know that time isn’t always measured in standard months. Enter the 4-4-5 calendar: a reporting tool that divides a year into 12 periods, each organized into quarters of 4, 4, and 5 weeks (i.e. 13 ...

Stock price forecasting with Deep Learning: throwing power at the problem (and why it won't make you rich)

Time since MƒA In one of my last posts 2 years ago, I mentioned that I would be looking for work and leaving MƒA. I ended up doubling down on my research background and becoming a part of EL Education’s Research Team, where I have taken an impr...

For a bit of fun, let’s try and model the performance of F1 drivers and constructors in the 2024 season using Bayesian models. The aim is to more to learn about using Stan than determine deep truths about F1, since there’s far more to performanc...

Introduction

🌟 Introduction ggplot2—the trusty workhorse of R. It’s definitely have been the go-to package for creating stunning visualizations for years. And it’s not going anywhere anytime soon. 🎉 But I’ve always wondered: What if my ggplot2 creations cou...

Introduction In this comprehensive analysis, we’ll explore the critical investment questions generated by DoTadda’s Knowledge platform based on NVIDIA’s recent earnings calls. This analysis provides investment professionals with a structured fr...

With Christmas tomorrow we have decided to create an animated Christmas Tree using {ggplot2}, {sf} and {gganimate}. First we need a tree. To do this we have used an {sf} polygon where we pass in the coordinates of the Christmas tree as a list matrix to st_polygon. We can ...

Introduction If you are an R/RStudio user and you are learning C/C++ then this blog post may be interesting. Suppose that you’ve written a function in C/C++ (or even a whole program). You know how to run your code from the command line, passing in argu...

If you are an R/RStudio user and you are learning C/C++ then this blog post may be interesting. Suppose that you've written a function in C/C++ (or even a whole program). You know how to run your code from the command line, passing in arguments and so ...

Introduction Data transformation is a fundamental technique in statistical analysis and data preprocessing. When working with R, understanding how to properly transform data can help meet statistical assumptions, normalize distributions, and im...

The aim of this post is to teach myself basic Bayesian methods. I’ll set up a toy example problem and solve it. Let’s assume we have a natural event that happens with a variable periodicity e.g. a woman’s menstrual cycle. I’m drawing from t...