How to Create a Barplot in R with geom_bar
This tutorial will show you how to create a barplot in R with geom_bar (i.e., a ggplot barplot). I’ll explain the syntax, and also show you several step-by-step examples. Table...continue reading.
Category: R
unbalanced sampling
A question from X validated on sampling from an unknown density f when given both a sample from the density f restricted to a (known) interval A , f¹ say,...continue reading.
The ultimate guide to the ggplot boxplot
This tutorial will explain how to create a ggplot boxplot. It explains the syntax, and shows clear, step-by-step examples of how to create a boxplot in R using ggplot2. If...continue reading.
An R Package for Social Roulette
Abstract: We introduce the R package socialroulette, which is a lightweight package for handling the recurrent problem of assigning individuals into groups of a fixed size. In order to minimize...continue reading.
Get your unique certificate with online assessments
Get your unique certificate with online assessments At Quantargo, teaching is a big part of what we do. You can use our platform to dive into new data science skills...continue reading.
Appsilon’s Shiny Masterclass is Now Available
Mastering Shiny with Appsilon: Building, Scaling, and Deploying Shiny Apps Early this year at rstudio::global, Appsilon and RStudio held a 3-hour long Shiny Masterclass X-Session. We covered many popular Shiny...continue reading.
one-way random walks
A rather puzzling riddle from The Riddler on an 3×3 directed grid and the probability to get from the North-West to the South-East nodes following the arrows. Puzzling because while...continue reading.
how many T-Rex can you fit in your backyard?
A fascinating question examined in this issue of Science [as pointed out by Nature!] in a paper by Marshall et al. on how many T. Rex(es) roamed the Earth at...continue reading.
a common confusion between sample and population moments
This article is originally published at https://xianblog.wordpress.com Thanks for visiting r-craft.org This article is originally published at https://xianblog.wordpress.com Please visit source website for post related comments.continue reading.
Using SQL for R data.frames with sqldf
There are many R packages for querying SQL Databases. Recently, I was looking into sqldf package | CRAN documentation. There are so many great advantages (simple running SQL statements, creating,...continue reading.
torch for optimization
Torch is not just for deep learning. Its L-BFGS optimizer, complete with Strong-Wolfe line search, is a powerful tool in unconstrained as well as constrained optimization.continue reading.
ten computer codes that transformed science
In a “Feature” article of 21 January 2021, Nature goes over a poll on “software tools that have had a big impact on the world of science”. Among those, the...continue reading.
Bio7 3.3 Released
22.04.2021 I released a new version of Bio7. Bio7 3.3 includes a plethora of new features, improvements and bugfixes. For those who don’t know Bio7. The application Bio7 is an...continue reading.
New Course Available Now: Machine Learning with Tidymodels
New Course Available Now: Machine Learning with Tidymodels The ever increasing application of machine learning models in industry and academia requires tools which are easy to use and ensure a...continue reading.
Note for DEseq2 time course analysis
In many cases, we need to perform differential expression across the time course data, e.g. finding genes that react in a condition-specific manner over time, compared to a set of...continue reading.
Interactive visualization of geospatial data with R Shiny
As a supplement to a recently published study by Marcel Helbig and Katja Salomo (available only in German) about socioeconomic … Read More →continue reading.
Microsoft365R 2.1.0 with Outlook support now on CRAN
by Hong Ooi I’m happy to announce that Microsoft365R 2.1.0 is now on CRAN with Outlook email support! Here’s a quick summary of the new features: Send, reply to and...continue reading.
Avoiding The mdls Command Line Round Trip With swiftr::swift_function()
The last post showed how to work with the macOS mdls command line XML output, but with {swiftr} we can avoid the command line round trip by bridging the low-level...continue reading.
the new DIYABC-RF
My friends and co-authors from Montpellier have released last month the third version of the DIYABC software, DIYABC-RF, which includes and promotes the use of random forests for parameter inference...continue reading.
Have you checked your features distributions lately?
tl;dr Trying to debug a poorly performing machine learning model, I discovered that the distribution of one of the features varied from one date to another. I used a simple and...continue reading.
