Introduction In data preprocessing and text manipulation tasks, the strsplit() function in R is incredibly useful for splitting strings based on specific delimiters. However, what if you need to...
https://www.r-bloggers.com/2024/04/exploring-strsplit-with-multiple-delimiters-in-r/
R 4.4.0 (“Puppy Cup”) was released on the 24th April 2024 and it is a beauty. In time-honoured tradition, here we summarise some of the changes that caught our eyes. R 4.4.0 introduces some...
Harnessing the power of big data is akin to mastering an incredible energy source. In the realm of data science, R serves as both a sanctuary and a training ground where data scientists, like th...
https://www.r-bloggers.com/2024/04/super-saiyan-data-skills-mastering-big-data-with-r/
Introduction As an R programmer, one of the fundamental tasks you’ll encounter is manipulating data frames. Whether you’re cleaning messy data or preparing it for analysis, knowing how to dr...
Introduction In data analysis, there often arises a need to extract the top N values within each group of a dataset. Whether you’re dealing with sales data, survey responses, or any other type...
https://www.r-bloggers.com/2024/04/a-practical-guide-to-selecting-top-n-values-by-group-in-r/
About a month ago we finally managed to drop (Nini et al. 2024), “Authorship Verification based on the Likelihood Ratio of Grammar Models”, on the arXiv. Delving into topics such as authors...
https://www.r-bloggers.com/2024/04/grammar-as-a-biometric-for-authorship-verification/
Previously, I took advantage of a dataset that linked preprints to their published counterparts to look at the fraction of papers in a journal that are preprinted. This linkage can be used to an...
https://www.r-bloggers.com/2024/04/prehistoric-when-do-authors-preprint-their-papers/
#175–176PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #175Sometimes even common tables tell the sto...
https://www.r-bloggers.com/2024/04/powerquery-puzzle-solved-with-r-22/
The {emayili} package has adapters which make it simple to send email via a variety of services. For example, it caters specifically for ZeptoMail, MailerSend, Mailfence and Sendinblue. The late...
https://www.r-bloggers.com/2024/04/emayili-support-for-mailtrap/
Puzzles no. 434–438PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #434Sometimes challenges we are f...
https://www.r-bloggers.com/2024/04/r-solution-for-excel-puzzles-20/
Join our workshop on Conducting Simulation Studies in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Conducting Simulation Studies in R Date: Thursday...
https://www.r-bloggers.com/2024/04/conducting-simulation-studies-in-r-workshop/
It’s a widely accepted notion that money influences happiness, a concept famously associated with Noble laureate Daniel Kahneman, who purportedly demonstrated that emotional wellbeing increase...
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 Coworking Read ...
https://www.r-bloggers.com/2024/04/ropensci-news-digest-april-2024/
A lot has happening in Monster Maze for the last months and a new chapter has now opened. Wanna play? Play here Code The code is publicly available in Github: monster-maze-shiny-mob... ...
Flip a fair coin 100 times, resulting in a sequence of heads (H) and tails (T). For each HH in the sequence, Alice gets a point; for each HT, Bob does, so e.g. for the subsequence THHHT Alice ge...
The R Consortium recently spoke with Mario Annau, co-organizer of the Vienna R User Group. During the conversation, he discussed the use of R in the finance and pharmaceutical industries... The...
Introduction Hello, fellow R users! Today, we’re going to explore a common scenario you might encounter when working with data frames: checking if a row from one data frame exists in another. ...
https://www.r-bloggers.com/2024/04/checking-row-existence-across-data-frames-in-r/
The Two-Fund Separation Theorem introduced by James Tobin, a Nobel Prize-winning economist, is a fundamental concept in investment theory. It addresses how investors can optimally allocate their...
A fellow coder shared with me this recent manual (in French) entitled python (for the computer language, not the snake) written by Nathalie Azoulai as he found it an interesting literary (if n...
Kirill Müller is the author of the {DBI} package, which helps to connect R and database management systems (DBMS). The connection to a DBMS is achieved through database-specific backend package...
Welcome to the Mushroom KingdomIn the vast and varied landscape of data analysis, navigating through complex datasets and transformation processes can often feel like an adventure through unkno...
Finding a high-profile job position has been very hard for women especially those living in countries with few opportunities for related acquires. This problem can be stemmed from many reasons l...
https://www.r-bloggers.com/2024/04/knn-vs-xgboost-rivalry-women-employment-in-management/
You have the fundamentals of R Highcharts under your belt by now. The next logical step is to introduce a bit more complexity in the code, but for the greater good. And that good is implementing...
Introduction Ever wrangled with a data frame and needed just the final row? Fear not, R warriors! Today’s quest unveils three mighty tools to conquer this task: base R, the dplyr package, and ...
https://www.r-bloggers.com/2024/04/extracting-the-last-nth-row-in-r-data-frames/
The goal of the rOpenSci Champions Program is to enable more members of historically excluded groups to participate in, benefit from, and become leaders in the R, research software engineering, a...