R-bloggers - Part 6

Teaching Quantitative Social Science in Times of COVID-19: How to Generate and Distribute Individualized Exams with R and RMarkdown

February 8, 2021 | R on Methods Bites

The COVID-19 pandemic has forced universities around the globe to switch from on-site teaching to online teaching. As a consequence, quantitative social science classes that previously relied on closed-book in-class exams now have to administ... [Read more...]

Introductory R/exams Course by Andrew Zammit-Mangion

February 8, 2021 | R/exams

To help new users to adopt R/exams for generating remote assessments this new free online course covers steps from installation to automatic exam generation in Moodle and PDF format. Due to the requirement to move to remote assessment during the global Covid-19 pandemic, Andrew Zammit-Mangion (University of Wollongong, School ... [Read more...]

Upcoming Why R Webinar – Interpretation of single-cell RNA-seq trajectories

February 8, 2021 | Why R? Foundation

On Thursday, February 11th at 7 pm UTC | 8 pm CET, as part of the Why R? Webinar series, we have the honour to host Dr Koen Van den Berge, postdoctoral Scholar at UC Berkeley and Ghent University. He will talk about the interpretation of single-cell... [Read more...]

Why R? Foundation 2021-02-08 03:43:22

February 8, 2021 | Why R? Foundation

On Thursday, February 25th at 7 pm UTC | 8 pm CET, as part of the Why R? Webinar series, we have the honour to host Paul Bürkner, Junior Research Group Leader at the Cluster of Excellence SimTech at the University of Stuttgart (Germany). Author of t... [Read more...]

Little useless-useful R functions – Useless R poem for Valentine

February 8, 2021 | tomaztsql

Gimmick not a poem, useless R code for your Valentine. Code for this heart shaped useless poem: And once you have the function persistent in your environment, just run: And for the poets, here the R version of the poem:…Read more ›

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COVAX Part 1: Overview of the fair allocation mechanism

February 7, 2021 | R Bloggers on

In this post I briefly discuss the current WHO proposal for the global allocation of the COVID-19 vaccines through the COVAX Facility, as well as the February 3 interim distribution forecast for the initial allocation of vaccines to COVAX participating countries. Based on the latest available public information, my calculations for ...

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Interfacing ChemoSpec to PLS

February 7, 2021 | R on Chemometrics & Spectroscopy using R

The ChemoSpec package carries out exploratory data analysis (EDA) on spectroscopic data. EDA is often described as “letting that data speak”, meaning that one studies various descriptive plots, carries out clustering (HCA) as well as dimension reduction (e.g. PCA), with the ultimate goal of finding any natural structure in ...

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Writing a Personal R Package

February 7, 2021 | The Jumping Rivers Blog

If you’ve been using R for a while, you’ve likely accumulated a hodgepodge of useful code along the way. Said hodgepodge might include functions you source into multiple projects; bits and bobs that you copy and paste where needed; or code that solved a particularly esoteric problem and ...

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Fully Native M1/Apple Silicon R Setup

February 7, 2021 | hrbrmstr

Presented without much commentary since I stopped once {ggrepel} and {graphlayouts} failed (RStudio doesn’t support it yet, either, which I knew). The following steps will get you a fully working and STUPID FAST fully native ARM64 M1/Apple Silicon R setup with {tidyverse} and {rJava}. Just remember, that if ... [Read more...]

How to Share Flask APIs with Shiny as Applications

February 7, 2021 | George Pipis

As a Data Scientist, you may work in both R and Python and it is common to prefer one language ... Read moreHow to Share Flask APIs with Shiny as Applications

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Getting a Handle on macOS App Entitlements with R

February 7, 2021 | hrbrmstr

If you’ve been following me around the internets for a while you’ve likely heard me pontificate about the need to be aware of and reduce — when possible — your personal “cyber” attack surface. One of the ways you can do that is to install as few applications as possible ... [Read more...]

It Has Always Been Wrong to Call order on a data.frame

February 7, 2021 | jmount

In R it has always been incorrect to call order() on a data.frame. Such a call doesn’t return a sort-order of the rows, and previously did not return an error. For example. d [Read more...]

Causal effect of Elon Musk tweets on Dogecoin price

February 7, 2021 | Fabian Dablander

If you think of Dogecoin — the cryptocurrency based on a meme — you can’t help but also think of Elon Musk. That guy loves the doge, and every time he tweets about it, the price goes up. While we all know that correlation is not causation, we might s...

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GooglyPlusPlus2021 bubbles up top T20 players in all formats!

February 6, 2021 | Tinniam V Ganesh

“Would you tell me, please, which way I ought to go from here?”“That depends a good deal on where you want to get to.”“I don’t much care where –”“Then it doesn’t matter which way you go.” Lewis Carroll, Alice in Wonderland This … Continue reading GooglyPlusPlus2021 bubbles ...

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Analyzing SPAC Mergers

February 6, 2021 | David Kim

Exploratory data analysis of Special-Purpose Acquisition Companies as investment opportunities The post Analyzing SPAC Mergers first appeared on Data Science Blog.

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era 0.3.1: year-based time scales in R

February 6, 2021 | Joe Roe

era v0.3.1 is now available on CRAN: [Read more...]

The Myths, Not So Myths, and Truths about Data Science

February 6, 2021 | R on Curious Joe

Background Disclaimer The Era of Data Science = Coding The Era of Data Science = Research The Era of Data Science = Ability to Write Algorithm from Scratch A DS Project Starts from Data A DS Project Ends with the Report/Predictions Data Scientist ... [Read more...]

Cliping several rasters with a multi-polygon shapefile

February 6, 2021 | Frederico Mestre

The problem! Imagine you have this situation: you have several global raster files and a shapefile with a few areas (e.g. Natural Parks). You want to generate a raster file using as mask each of the polygons in the shapefile for each of the original rasters. So, if you ... [Read more...]

Python’s Pandas vs. R’s dplyr – Which Is The Best Data Analysis Library

February 6, 2021 | Dario Radečić

Pandas vs. dplyr It’s difficult to find the ultimate go-to library for data analysis. Both R and Python provide excellent options, so the question quickly becomes “which data analysis library is the most convenient”. Today’s article aims to answer this question, assuming you’re equally skilled in both ...

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From “Sh*t’s Creek” to “Schitt’s Creek”: On Padding Surnames with Extra Letters

February 6, 2021 | Michael Kelly

We typically think of English and related spelling systems as mapping orthographic units or graphemes onto units of speech sounds, or phonemes. For instance, each of the three letters in “pen” maps to the three phonemes /p/, /ɛ/, and /n/ in the spoken version of the word. But there is considerable ... [Read more...]

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