The incredibly talented folks over at Bishop Fox were quite generous this week, providing a scanner for figuring out PAN-OS GlobalProtect versions. I’ve been using their decoding technique and date-based...continue reading.
This talk was presented virtually at eRum 2020 by Appsilon engineer Krystian Igras. Here is a direct link to the video. Why Should We Explain Black Box ML Models? A...continue reading.
All data transformation functions in dplyr can be connected through the pipe %>% operator to create powerful and yet expressive data transformation pipelines. Use the pipe operator %>% to combine...continue reading.
A. What is Code Review? Code reviews are traditionally done in the context of a software development team that is building out a new product or feature. The goal is...continue reading.
To select areas of interest in a data frame they often need to be ordered by specific columns. The dplyr arrange() function supports data frame orderings by multiple columns in...continue reading.
I just released my first open-source package: pelotonR! The package was created to provide users with sample access to Peloton data through R. Learn more at the website: https://lgellis.github.io/pelotonR/continue reading.
Do you want to visualize beautiful graphs in R but are shy to leave the tidyverse? Tidygraph and Ggraph ‘got you covered! See how their main functionalities are applied in...continue reading.
The weekly puzzle from Le Monde is a leaking variant on an old puzzle: Three buckets have capacities of 8, 5 and 3 litres, respectively. At the start of the...continue reading.
My book, Evidence-based software engineering: based on the publicly available data is now out on beta release (pdf, and code+data). The plan is for a three-month review, with the final...continue reading.
My book, Evidence-based software engineering: based on the publicly available data is now out on beta release (pdf, and code+data). The plan is for a three-month review, with the final...continue reading.
R 4.0.2 is now available for download for Windows, Mac and Linux platforms. This update addresses a few minor bugs included in the R 4.0.0 release, and also a significant...continue reading.
This talk was presented virtually at eRum 2020 and useR 2020 by Appsilon engineer Marcin Dubel. Here is a direct link to the video. Be Proud of Your Code! In...continue reading.
We often want to operate only on a specific subset of rows of a data frame. The dplyr filter() function provides a flexible way to extract the rows of interest...continue reading.
Continuous integration is an amazing tool when developing R packages. We push a change to the server, and a process is spawned that checks we haven’t done something silly. It...continue reading.
This talk was presented virtually at eRum 2020 and useR 2020. Learn more about Appsilon‘s ML wildlife preservation project here. Yes, R programmers can make machine learning models, too! In...continue reading.
R package gower was accepted on CRAN on 23 june 2020. This release fixes an edge case, affecting cases with a small number of records and a large number of...continue reading.
In nonlinear dynamics, when the state space is thought to be multidimensional but all we have for data is just a univariate time series, one may attempt to reconstruct the...continue reading.
R packages on CRAN needs to pass a series of technical checks. These checks can also be invoked by any user when running R CMD check on the package tar.gz...continue reading.
To select only a specific set of interesting data frame columns dplyr offers the select() function to extract columns by names, indices and ranges. You can even rename extracted columns...continue reading.
One of the game-changing features of ggplot2 was the ease with which one can explore the dimensions of the data using small multiples.1 There is a small trick that I...continue reading.
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
