AdaOpt classification on MNIST handwritten digits (without preprocessing)
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Updated: May 2020 by Appsilon Data Science How to Work Faster in RStudio In this article we have compiled many of our favorite RStudio keyboard shortcuts, tips, and tricks...
Despite their advantages, Dynamic Shiny Modules can destabilize the Shiny environment and cause its reactive graph to be rendered multiple times. In this blogpost, I present how to remove...
We’ve released the newest version of NIMBLE on CRAN and on our website. NIMBLE is a system for building and sharing analysis methods for statistical models, especially for hierarchical models...
This week we released a major new version of the rsvg package on CRAN. This package provides R bindings to librsvg2 which is a powerful system library for rendering...
Introduction Data Correlation coefficient Between two variables Correlation matrix: correlations for all variables Interpretation of a correlation coefficient Visualizations A scatterplot for 2 variables Scatterplots for several pairs of variables Another simple correlation matrix Correlation test For 2 variables For several...
I’ve been looking at the following paper, by researchers at Harvard’s school of public health, which was recently published in Science: Kissler, Tedijanto, Goldstein, Grad, and Lipsitch (2020) Projecting...
Data science is one of the most wide-ranging disciplines of the 21st century. Data scientists use a wide variety of methods and tools to generate more knowledge from data...
Lately I’ve been publishing screencasts demonstrating how to use the tidymodels framework, from first steps in modeling to how to evaluate complex models. Today’s screencast isn’t about predictive modeling,...
Introduction The idea behind this post was to play and discover some of the info contained in the COVID19 R package which collects data across several governmental sources.This package is...
QBits Workspace: A New Online Editor to Share and Deploy R Code Today we are excited to announce the QBits Workspace to run and deploy R code in the browser....
As you are likely aware by now, the dplyr 1.0.0 release is right around the corner. I am very excited about this huge milestone for dplyr. In this post,...
COVID-19 disease spread hit the World really globally and also the field of mathematicians/ statisticians/ machine learning researchers and related. These experts want to help to understand for example future...
Today we’re excited to announce the general release of RStudio 1.3. This release features many major improvements to the IDE, including: Dramatically improved accessibility for sight-impaired users, which also upgrades...
This post will look at how to fit an XGBoost model using the tidymodels framework rather than using the XGBoost package directly. Tidymodels is a collection of packages that aims...
Data Scientists Face an Existential Crisis The term data scientist has always been a bit controversial. William Cleveland coined the term in 2001 to advocate the practical use...
Hexagon tessellation using the great geogrid package. The départements are the second level of administrative government in France. They neither have the same area nor the same population and...
May 28th (8:00pm UTC+2) will bring another fascinating Webinar at Why R? Foundation. We will have a joint talk by Bernd Bischl, Florian Pfisterer and Martin Binder about...
Our intuition concerning randomness is, strangely enough, quite limited. While we expect it to behave in certain ways (which it doesn’t) it shows some regularities that have unexpected consequences....
Let’s say we have data such that . (We assume no ties among the ‘s for simplicity.) Isotonic regression gives us a monotonic fit for the ‘s by solving...
A COVID19 lexicon Congressional Twitter Corpus (2020) text2vec framework for NLP :: Tokens & tokenizers Multi-word expressions & controlled vocabularies DTMs & prevalence of COVID19-related concepts GloVe model & COVID19 semantic space Networks & lexical co-occurrence Summary A...
Maximilian H.K. Hesselbarth and I gave the Introduction to landscape ecology with R workshop during IALE-North America 2020 Annual Meeting. You can find the workshop abstract, slides, and recordings below. Abstract R is...
Ryan A. Estrellado is a public education leader and data scientist helping administrators use practical data analysis to improve the student experience. Chicken Farm in the Open In 2017,...
I am very pleased to announce that tidylo, a package for weighted log odds using tidy data principles, is now on CRAN! 🎉 I would like to send my...
R has many great tools for data wrangling. Two of those are the dplyr and data.table packages. When people wonder which one should they learn it is often argued...
It is with great pleasure that we can announce the release of caracas version 1.0.1 to CRAN (https://cran.r-project.org/package=caracas). The package enables user to make computer algebra from R using the...
In two Covid-19-related trials I’m involved with, the primary or key secondary outcome is the status of a patient at 14 days based on a World Health Organization ordered...
I (and, apparently, Gandalf O_o) are pleased to announce that RSwitch version 1.7.0 has been released. (Direct Download) RSwitch is a macOS menubar utility that: makes it dead simple...
TUESDAY May 26th (8:00pm UTC+2) is a date for an extra Webinar at Why R? Foundation in a cooperation with McKinsey & Company. We will have a pleasure...
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