Quick Hit: Comparison of “Whole File Reading” Methods

August 7, 2020 | 0 Comments

(This is part 1 of n posts using this same data; n will likely be 2-3, and the posts are more around optimization than anything else.) I recently had to analyze HTTP response headers (generated by a HEAD request) from around 74,000 sites (each response stored in a text file). They look ... [Read more...]

High School Swimming State-Off Tournament Florida (3) vs. Illinois (6)

August 6, 2020 | 0 Comments

This week in the High School Swimming State-Off Tournament we have the third seeded Sunshine State, Florida (3) taking on the sixth seeded Illinois (6) aka the Prairie State. library(SwimmeR) library(dplyr) library(stringr) library(purrr) library(flextable) Florida Results Florida has a nice results repository, with Hy-Tek real-time results. This ... [Read more...]

nanotime 0.3.0: Yuge New Features!

August 6, 2020 | 0 Comments

A fresh major release of the nanotime package for working with nanosecond timestamps is hitting CRAN mirrors right now. nanotime relies on the RcppCCTZ package for (efficient) high(er) resolution time parsing and formatting up to nanosecond resolutio... [Read more...]

Join us at R/Medicine – Aug 27-29, 2020

August 6, 2020 | 0 Comments

August 27-29, 5:30am PDT / 8:30am EDT / 2:30pm CEST – Register now! Brought to you by the Children’s Hospital of Philadelphia, Yale School of Public Health, and the R... The post Join us at R/Medicine – Aug 27-29, 2020 appeared first on R Consortium.
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Basic manipulation of GIF frames with magick

August 6, 2020 | 0 Comments

The magick package is a really powerful package for image processing in R. The official vignette is a great place to start learning how to use the package. I’ve been playing around with using magick for manipulating GIFs and found … Continue reading →
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Useful YAML options for generating HTML reports in R

August 5, 2020 | 0 Comments

I think most people start using R with scripts initially. Scripts are great for modular computational tasks, but for generating informative reports, Rmarkdown is a must. Rmd makes it possible to use a YAML header to specify certain parameters right at the beginning of the document. Built-in YAML parameters make ...
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Tutorial: Getting Started with R and RStudio

August 5, 2020 | 0 Comments

Get your R programming journey off on the right foot with this RStudio tutorial that walks through everything from installation to best practices. The post Tutorial: Getting Started with R and RStudio appeared first on Dataquest.
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Image contours in R

August 5, 2020 | 0 Comments

I recently came across this short fun post on R-bloggers that demonstrated how to use the image.ContourDetector package (available on CRAN) to extract contours from an image. The image of the contours looked really cool so I thought I would … Continue reading →
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RcppCCTZ 0.2.8: Minor API Extension

August 4, 2020 | 0 Comments

A new minor release 0.2.8 of RcppCCTZ is now on CRAN. RcppCCTZ uses Rcpp to bring CCTZ to R. CCTZ is a C++ library for translating between absolute and civil times using the rules of a time zone. In fact, it is two libraries. One for dealing with civ... [Read more...]

Predicting pneumonia outcomes: EDA part 1

August 4, 2020 | 0 Comments

Intro Data dictionary EDA blueprint Outcome Discard the noise 1 Other_ related category 2 Pt_ Patient related category Appropriate patients Case_number Age 3 R_ Radiology related category Effusion and effusion site On chest x-ray ( R_CXR_effusion, R_CXR_effusionSite) On CT chest (R_CT_effusion, R_CT_effusionSite) 4 SS_ Category related ...
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Cheesecake Diagrams: Pie Charts with a Different Flavour

August 4, 2020 | 0 Comments

Part of my job at a regional water utility involves visualising operational data. We manage water and sewerage services for a large number of small and medium-sized towns in regional Victoria (Australia). Traditionally, performance reports consist of extensive tables filled with numbers with a line for each city. To make ...
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Do, Share, Teach, and Learn Data Science with RStudio Cloud

August 4, 2020 | 0 Comments

RStudio is proud to announce the general availability of RStudio Cloud, its cloud-based platform for doing, teaching, and learning data science using only a browser. This general release incorporates feedback from thousands of users, based on more than 3.5 million hours of compute time. What is RStudio Cloud? RStudio Cloud is ... [Read more...]

Books and code

August 3, 2020 | 0 Comments

This comes as the results of two external forces that have prompted me to do some work on the website — specifically the section on books. The first one is the newest version of hugo-academic (which is the engine underlying the whole of my website, together with the R package blogdown). ... [Read more...]

OSF: A Project Management Service Built for Research

August 3, 2020 | 0 Comments

osfr provides a (hopefully) convenient R interface to OSF (Open Science Framework, https://www.osf.io), a free service for managing research developed by the Center for Open Science (COS). osfr completed its rOpenSci peer-review earlier this year and has been available on CRAN since February. Throughout its development and ... [Read more...]

A hurdle model for COVID-19 infections in nursing homes

August 3, 2020 | 0 Comments

Late last year, I added a mixture distribution to the simstudy package, largely motivated to accommodate zero-inflated Poisson or negative binomial distributions. (I really thought I had added this two years ago - but time is moving so slowly these days.) These distributions are useful when modeling count data, but ...
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R GUI Update: BlueSky User’s Guide, New Features

August 3, 2020 | 0 Comments

The BlueSky Statistics graphical user interface (GUI) for the R language has added quite a few new features (described below). I’m also working on a BlueSky User’s Guide, a draft of which you can read about and download here. Although … Continue reading →
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finding contour lines

August 3, 2020 | 0 Comments

Finally, the R package you all have been waiting for has arrived - image.ContourDetector developed at https://github.com/bnosac/image. It detects contour lines in images alongside the 'Unsupervised Smooth Contour Detection' algorithm available at http://www.ipol.im/pub/art/2016/175. Have you always wanted to be able ... [Read more...]

Party with R: How the Community Enabled Us to Write a Book

August 2, 2020 | 0 Comments

Isabella C. Velásquez, MS, is a data analyst committed to nonprofit work with the aim of reducing racial and socioeconomic inequities. “It is like a party all the time; nobody has to worry about giving one or being invited; it is going on every day in the street and ... [Read more...]
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