R-bloggers - Part 19

gssr is now two packages: gssr and gssrdoc

April 15, 2024 | R on kieranhealy.org

Summary My gssr package is now two packages: gssr and gssrdoc. They’re also available as binary packages via R-Universe which means they will install much faster. The GSS is a big survey with a big codebook. Distributing it as an R package poses a few challenges. It’s too ...

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Decade of Data: Celebrating 10 Years of Innovation at the New York R Conference

April 15, 2024 | R Consortium

Come celebrate 10 YEARS of the New York R Conference! This year’s conference takes place May 16th & 17th with workshops May 15th. We are taking a trip down memory... The post Decade of Data: Celebrating 10 Years of Innovation at the New York R Conference appeared first on R Consortium.

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R Solution for Excel Puzzles

April 15, 2024 | Numbers around us

Puzzles no. 429–433PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #429We all (I assume) know the Pythagorean theorem, thanks to which we can calculate sides of t...

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Introduction to Quality Assurance for Shiny for Python Dashboards with Playwright

April 15, 2024 | Gift Kenneth

Business needs to have dashboards validated. Many companies have dedicated Quality Assurance teams. As software engineers, we call the validation process testing. The process of validating an app by mimicking real users behavior is called end-to-end testing. It’s not some function, runs with some parameters, and we’re happy. ...

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Counting Down to ShinyConf 2024: Why Attending Can Be a Game Changer for Your Career

April 15, 2024 | Gift Kenneth

Ignite your passion and propel your career at ShinyConf 2024, online from the 17th to the 19th of April! This isn’t just another conference; it’s an opportunity to stay ahead of the curve. Dive into workshops, seminars, and sessions that push your abilities. Master foundational concepts or explore advanced ...

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Estimating Chi-Square Distribution Parameters Using R

April 14, 2024 | Steven P. Sanderson II, MPH

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...

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Estimating Chi-Square Distribution Parameters Using R

April 14, 2024 | Steven P. Sanderson II, MPH

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...

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Risk/Reward Tradeoff

April 14, 2024 | R - datawookie

The two quantities we have been modelling (the time-dependent average and standard deviation of the returns) represent respectively the (potential) risk and reward associated with an asset. The relationship between these two quantities is implicit in the GARCH model. However, sometimes the return depends directly on the risk. A variant ... [Read more...]

Exploring apply, sapply, lapply, and map Functions in R

April 14, 2024 | M. Fatih Tüzen

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...

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Exploring apply, sapply, lapply, and map Functions in R

April 14, 2024 | M. Fatih Tüzen

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...

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R and Python Together: A Second Case Study Using LangChain’s LLM Tools

April 14, 2024 | Mark White

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. ...

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Optimal policy learning based on causal machine learning in R workshop

April 14, 2024 | Dariia Mykhailyshyna

Join our workshop on Optimal policy learning based on causal machine learning in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Optimal policy learning based on causal machine learning in R Date: Thursday, May 16th, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: ... [Read more...]

How to Make Mobile Apps with R Shiny

April 14, 2024 | Business Science

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...

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Model Validation

April 13, 2024 | R - datawookie

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.

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Parameter Significance & Parsimonious Models

April 12, 2024 | R - datawookie

In general a parsimonious model is a good model. A model with too many parameters is likely to overfit the data. So how do we determine when a model is “complex enough” but not “too complex”? [Read more...]

Eclipse map

April 12, 2024 | Michael

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 ...

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Eclipse map

April 12, 2024 | Michael

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 ...

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Daily Average Sea Surface Temperature Animation

April 12, 2024 | R on kieranhealy.org

Yesterday evening I gave a talk about data visualization to Periodic Tables, a Science Cafe run by Misha Angrist. It was a lot of fun! Amongst other things, I made an animation of the NOAA Daily Sea Surface Temperature Graph from the other week. Here i... [Read more...]

Taking the data out of the glue with regex in R

April 11, 2024 | Steven P. Sanderson II, MPH

Introduction Regular expressions, or regex, are incredibly powerful tools for pattern matching and extracting specific information from text data. Today, we’ll explore how to harness the might of regex in R with a practical example. Let’s dive i... [Read more...]

Taking the data out of the glue with regex in R

April 11, 2024 | Steven P. Sanderson II, MPH

Introduction Regular expressions, or regex, are incredibly powerful tools for pattern matching and extracting specific information from text data. Today, we’ll explore how to harness the might of regex in R with a practical example. Let’s dive i... [Read more...]