R-bloggers

Dive into the world of validation at the first R Validation Hub community meeting of the year! What defines a validated R package? Is it ensuring reproducibility across systems? Prioritizing... The post Unraveling the term “Validation”: Join the Discussion at the R Validation Hub Community Meeting on February 20, 2024  appeared first ...

Puzzles no. 379–388PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Last week I were on my winter holiday and with refreshed mind, it is time to get back to work, to ever...

Slave and Free Negroes – W.E.B Du Bois Recreating the the data visualization of W.E.B Du Bois from the 1900 Paris Exposition using modern tools. See the challenge presentation. Setup library(tidyverse) library(janitor) library(showtex...

Slave and Free Negroes – W.E.B Du Bois Recreating the the data visualization of W.E.B Du Bois from the 1900 Paris Exposition using modern tools. https://github.com/ajstarks/dubois-data-portraits/tree/master/challenge/2024 Config librar...

Now that I’ve got my hands on the source of the cake dataset I knew I had to attempt to bake the cake too. Here, the emphasis is on attempt, as there’s no way I would be able to actually replicate the elaborate and cake-scientifically rigorous re...

Negro population of Georgia by counties, 1870, 1880 – W.E.B Du Bois Recreating the the data visualization of W.E.B Du Bois from the 1900 Paris Exposition using modern tools. See the challenge presentation. Setup library(tidyverse) lib...

Negro population of Georgia by counties, 1870, 1880 – W.E.B Du Bois Recreating the the data visualization of W.E.B Du Bois from the 1900 Paris Exposition using modern tools. https://github.com/ajstarks/dubois-data-portraits/tree/master/c...

Taylor Swift and Data Analysis. by Jerry Tuttle Who will be the most talked-about celebrity before, during, and after the Super Bowl?

Are you looking for a simple, robust, and efficient method to help you with classification and dimensionality reduction? Do you want to learn how to implement and evaluate LDA in R programming, one of the most popular and powerful techniques for these ...

Will do a separate post on command line setup and tools. VSCode is in the list and I’ll do a separate post on the extensions I have installed. For each application, I have indicated the price with one of the following icons1 – , , – indicating &...

Recently I have seen many posts about which IDE for R people prefer, with minimalists list of options, usually of size 2: R Studio and VS Code. I guess that some people forget, or many don't even know about two of the most powerful text editors that have been helping developers ...

I recently saw a cool LinkedIn post where it was highlighted that a dot plot is a pretty neat alternative to bar charts. While bar charts makes it easy to compare categories, dot plots put more emphasis on individual data points. I thought the i...

Setup Loading some packages that will be used for demonstrations and analysis: library(tidyverse) # Data wrangling and plotting library(ggdist) # Easy and aesthetic plotting of distributions library(ggExtra) # Adding margin...

Setup Loading some packages that will be used for demonstrations and analysis: library(tidyverse) # Data wrangling and plotting library(ggdist) # Easy and aesthetic plotting of distributions library(ggExtra) # Adding margina...

Key Points Linear discriminant analysis (LDA) is a supervised learning technique that can be used for classification, dimensionality reduction, feature extraction, clustering, or visualization.It assumes that the data follow a multivariate normal distribution with class-specific parameters and estimates the prior probabilities, the means, and the covariance matrices of each ...

1. What is a violin plot? A violin plot is a mirrored density plot that is rotated 90 degrees as shown in the picture. It depicts the distribution of numeric data. 2. When should you use a violin plot? A violin plot is useful to compare the ...

The R Consortium is excited to announce the opening of our call for proposals for the 2024 Infrastructure Steering Committee (ISC) Grant Program on March 1st, 2024. This initiative is... The post R Consortium Infrastructure Steering Committee (ISC) Grant Program Accepting Proposals starting March 1st! appeared first on R Consortium.