Introduction In the world of statistics and data analysis, understanding and accurately estimating the parameters of probability distributions is crucial. One such distribution is the chi-square distribution, often encountered in various statist...

Introduction In R programming, Apply functions (apply(), sapply(), lapply()) and the map() function from the purrr package are powerful tools for data manipulation and analysis. In this comprehensive guide, we will delve into the syntax, u...

Introduction https://www.tumblr.com/jake-clark/100946716432?source=share In R programming, Apply functions (apply(), sapply(), lapply()) and the map() function from the purrr package are powerful tools for data manipulation and analysis. I...

Following my previous post, I am again looking at how to employ R and Python seamlessly to use large language models (LLMs). Last time, I scraped information off of Wikipedia using the rvest package, fed that information to OpenAI’s Python API, and asked it to extract information for me. ...

Hey guys, welcome back to my R-tips newsletter. It’s no secret that modern businesses run on mobile apps. Today, I’m going to share how to turn your R Shiny web apps into Mobile-First business applications. Table of Contents Here’s what you’re learni...

Is this a “good” model? How to validate a model and determine whether it’s a good representation of the training data and likely to produce robust and reliable predictions.

2017 Solar Eclipse with Totality - Composite – CC-BY-NC by Jeff Geerling I saw this post showing a map of the year of the most recent total eclipse, and people mentioning that we can find the data on the Five Millennium Canon of Solar Eclipses Database (the data also mentioned in the ...

2017 Solar Eclipse with Totality - Composite – CC-BY-NC by Jeff Geerling I saw this post showing a map of the year of the most recent total eclipse, and people mentioning that we can find the data on the Five Millennium Canon of Solar Eclipses Database (the data also mentioned in the ...

The models we have been looking at do not differentiate between positive and negative residuals: both errors are treated the same. However, this does not align with reality, where the volatility resulting from a large negative return is higher than that for the corresponding positive return.

IntroductionIn the world of scientific research and academic writing, the clarity, precision, and aesthetics of your documents can significantly impact their reception and comprehension. LaTeX, a powerful typesetting system, has long been revered for its ability to create beautifully formatted documents, especially those requiring complex mathematical expressions and detailed layouts. ...