March 2020

Playing with a new R package; Welcome ggcharts!

March 31, 2020 | 0 Comments

Yesterday I was playing with the new and first Thomas Neitman’s CRAN package! Its documentation reminded me that more than a year ago Type The Pipe did a talk series about text mining. In one of them, we analized the reviews of the most important spanish banking APPs. One ...
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Everything you should know about WinBuilder

March 31, 2020 | 0 Comments

If you’ve tried submitting a package on CRAN, you might have heard of WinBuilder, as it is mentioned in CRAN submission checklist. In this post inspired by reading R-package-devel archive, we shall go through important questions around WinBuilder. What is WinBuilder and why use it? As mentioned in its ... [Read more...]

foreach 1.5.0 now available on CRAN

March 31, 2020 | 0 Comments

This post is to announce that version 1.5.0 of the foreach package is now on CRAN. Foreach is an idiom that allows for iterating over elements in a collection, without the use of an explicit loop counter. The foreach package is now more than 10 years old, and is used by nearly 700 ... [Read more...]

Blogging A to Z: The A to Z of tidyverse

March 31, 2020 | 0 Comments

Announcing my theme for this year's blogging A to Z!The tidyverse is a set of R packages for data science. The big thing about the tidyverse is making sure your data are tidy. What does that mean?Each row is an observationEach column is a variableEach ...
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Visualizing decision tree partition and decision boundaries

March 31, 2020 | 0 Comments

Grant McDermott develop this new R package I had thought of: parttree parttree includes a set of simple functions for visualizing decision tree partitions in R with ggplot2. The package is not yet on CRAN, but can be installed from GitHub using: Using the familiar ggplot2 syntax, we can simply ...
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Updates to R GUIs: BlueSky, jamovi, JASP, & RKWard

March 31, 2020 | 0 Comments

Graphical User Interfaces (GUIs) for the R language help beginners get started learning R, help non-programmers get their work done, and help teams of programmers and non-programmers work together by turning code into menus and dialog boxes. There has been … Continue reading → [Read more...]

Parsing Mass Municipal PDF CAFRs with Tabulizer, pdftools and AWS Textract – Part 1

March 30, 2020 | 0 Comments

# Libraries packages 0) { install.packages(setdiff(packages, rownames(installed.packages()))) } invisible(lapply(packages, library, character.only = TRUE)) knitr::opts_chunk$set(comment=NA, fig.width=12, fig.height=8, out.width = '100%') Introduction Redwall Analytics had the pleasure of collaborating with Marc Joffe, of Reason Foundation, in its October 2018 post Replicating Yankee ... [Read more...]

Close Encounters of the R Kind

March 30, 2020 | 0 Comments

Affiliation Harrison – Center for Strategic and Budgetary Analysis, Washington DC Cara – Department of the Air Force (Studies, Analyses, and Assessments - AF/A9), Washington DC Disclaimer The views expressed in this article represent the personal views of the author and are not necessarily the views of the Department of Defense (... [Read more...]

COVID-19 in Belgium

March 30, 2020 | 0 Comments

Introduction Top R resources on Coronavirus Coronavirus dashboard for your own country Motivations, limitations and structure of the article Analysis of Coronavirus in Belgium A classic epidemiological model: the SIR model Fitting a SIR model to the Belgium data Reproduction number \(R_0\) Using our model to analyze the outbreak if ...
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Can unbalanced randomization improve power?

March 30, 2020 | 0 Comments

Of course, we’re all thinking about one thing these days, so it seems particularly inconsequential to be writing about anything that doesn’t contribute to solving or addressing in some meaningful way this pandemic crisis. But, I find that working provides a balm from reading and hearing all day ...
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Analyzing Remote Sensing Data using Image Segmentation

March 30, 2020 | 0 Comments

This post summarizes material posted as an Additional Topic to accompany the book Spatial Data Analysis in Ecology and Agriculture using R, Second Edition. The full post, together with R code and data, can be found in the Additional Topics section of the book’s website, http://psfaculty.plantsciences.ucdavis....
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R Tip: How To Look Up Matrix Values Quickly

March 30, 2020 | 0 Comments

R is a powerful data science language because, like Matlab, numpy, and Pandas, it exposes vectorized operations. That is, a user can perform operations on hundreds (or even billions) of cells by merely specifying the operation on the column or vector of values. Of course, sometimes it takes a while ... [Read more...]

Why R? Webinars

March 30, 2020 | 0 Comments

Motivated by a successful turnaround of visits of Why R? 2019 keynote talks that uploaded to Why R? YouTube channel we decided to start Why R? Webinars series! We hope this will impact the growth of the R community. Details channel: youtube.com/... [Read more...]

Screenager: screening times at bioRxiv

March 30, 2020 | 0 Comments

When a preprint is uploaded to bioRxiv, it undergoes screening before it appears online. How long does it take for Affiliates to screen preprints at bioRxiv? tl;dr I used R to look at bioRxiv screening times. Even though bioRxiv has expanded massively, screening happens quickly (in about 24 h). I ...
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Creating an API for 4.2M texts with tidytext, RSQLite, dbplyr and plumber

March 29, 2020 | 0 Comments

Background Libraries Open Data Historical Job Postings Job Ontologies Prototyping Munging Extracting the terms Extracting the relevant adverts Extracting related skills Conclusions Creating a database Populating our database Using the database Functions for querying Getting the jobid’s Trying it out dbplyr and SQL syntax Turning it all into an ...
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