R Solution for Excel Puzzles

January 8, 2024 | Numbers around us

Puzzles no. 359–363PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #359Just like in this dragon sometimes numbers are a sum of many consecutive elements. And todays task is to discover which sequence of numbers are valid ...
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One billion row challenge using base R

January 7, 2024 | David Schoch

One of my new years resolutions is to blog a bit more on the random shenanigans I do with R. This is one of those.1 The One Billion Row challenge by Gunnar Morling is as follows: write a Java program for retrieving temperature measurement value... [Read more...]

Factor Analysis in R workshop

January 5, 2024 | Dariia Mykhailyshyna

Join our workshop on Factor Analysis in R, which is a part of our workshops for Ukraine series!  Here’s some more info:  Title: Factor Analysis in R Date: Thursday, February 1st, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone) Speaker: Gagan Atreya is a quantitative social scientist and data science consultant based ... [Read more...]

Probability intervals with GAMs

January 4, 2024 | Bluecology blog

Probability intervals with GAMs A neat trick with GAMs (generalized additive models) fit using the mgcv package is that you can use simulation to get Bayesian credible intervals. This is handy because it means you can easily calculate probabilities fo... [Read more...]

Cryptocurrency Market Data in R

January 3, 2024 | serkor1

Getting cryptocurrency OHLCV data in R without having to depend on low-level coding using, for example, curl or httr2, have not been easy for the R community. There is now a high-level API Client available on CRAN which fetches all the market data without having to rely on web-scrapers, API ... [Read more...]

.I in data.table

January 2, 2024 | HighlandR

In this post I’m using a small extract from the SIMD2020 dataset to figure out what the special operator .I does. Files and code are on github if you’re interested # files and code : https://github.com/johnmackintosh/DT_dot_I library(data.t... [Read more...]
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