February, 2019 | R-bloggers

stringfix : adding transcoder shiny app

February 9, 2019 | Guillaume Pressiat

Adding quotes to a character list Transcoder : Shiny app to tranpose lists to columns (and reciprocally) and formatting tricks Often I have to take a character list or column and put it in a vector, which means before I have to add quote...

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Updating the good old Homologene database

February 9, 2019 | R on B. Ogan Mancarci

Homologene What is wrong with homologene? Updating homologene gene IDs Updating homologene gene symbols Update: Bibliography Homologene I am the author of a small package called homologene. The package wraps the identically named homologene database released by NCBI. This database includes information about genes that are homologues/orthologues of each ... [Read more...]

BDA3 Chapter 14 Exercise 3

February 9, 2019 | Brian Callander

BDA3 Chapter 14 Exercise 3 Posted on 10 February, 2019 by Brian Tags: bda chapter 14, solutions, quadratic form, qr decomposition Category: bda3 Here’s my solution to exercise 3, chapter 14, of Gelman’s Bayesian Data Analysis (BDA), 3rd edition. There are solutions to some of the exercises on the book’s webpage. \(\DeclareMathOperator{\dbinomial}{Binomial} \... [Read more...]

CIS Primer Question 1.5.2

February 9, 2019 | Brian Callander

CIS Primer Question 1.5.2 Posted on 10 February, 2019 by Brian Tags: CISP chapter 1, solutions, simpson's reversal, product decomposition Category: causal_inference_in_statistics_primer Here are my solutions to question 1.5.2 of Causal Inference in Statistics: a Primer (CISP). I’ll use different indexing to make the notation clearer. In particular, the indices ... [Read more...]

CIS Primer Question 3.2.1

February 9, 2019 | Brian Callander

CIS Primer Question 3.2.1 Posted on 10 February, 2019 by Brian Tags: CISP chapter 3, solutions, ace, risk difference, simpson's reversal Category: causal_inference_in_statistics_primer Here are my solutions to question 3.2.1 of Causal Inference in Statistics: a Primer (CISP). Here are the parameters we’ll use. Note that they are taken from ... [Read more...]

Manipulating strings with the {stringr} package

February 9, 2019 | Econometrics and Free Software

This blog post is an excerpt of my ebook Modern R with the tidyverse that you can read for free here. This is taken from Chapter 4, in which I introduce the {stringr} package. Manipulate strings with {stringr} {stringr} contains functions to manipulate strings. In Chapter 10, I will teach you about ... [Read more...]

Quick Hit: Speeding Up a Slow/Mundane Task with a Little Rcpp

February 9, 2019 | hrbrmstr

Over at $DAYJOB’s blog I’ve queued up a post that shows how to use our new opendata???? package to work with our Open Data portal’s API. I’m not super-sure when it’s going to be posted so keep an RSS reader fixed on https://blog.rapid7....

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Inserting “Edit on GitHub” Buttons in a Single R Markdown Document

February 9, 2019 | Yongfu, Liao

As the R Markdown ecosystem becomes larger, users now may encounter situations where they have to make decisions on which output format of R Markdown to use. One may found none of the formats suitable – the features essential to the output document one wants may scatter across different output formats ...

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Where the German Companies Are

February 8, 2019 | An Accounting and Data Science Nerd's Corner

Last week, the German NGO Open Knowledge Foundation Deutschland e.V. has made German Trade Resister data available via the project OffeneRegister.de, together with the British NGO opencorporates. While the data from German Trade Resister is publicly available in principle, retrieving the data is a case-by-case activity and is ...

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Benchmarking cast in R from long data frame to wide matrix

February 8, 2019 | Ulrik Stervbo

In my daily work I often have to transform a long table to a wide matrix so accommodate some function. At some stage in my life I came across the reshape2 package, and I have been with that philosophy ever since – I find it makes data wrangling easy and straight ...

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Deploying an R Shiny App With Docker

February 8, 2019 | Paul Stevenson

If you haven’t heard of Docker, it is a system that allows projects to be split into discrete units (i.e. containers) that each operate within their own virtual environment. Each container has a blueprint written in its Dockerfile that describes all of the operating parameters including operating system ... [Read more...]

NSERC – Discovery Grants Program, over the past 5 years

February 7, 2019 | arthur charpentier

In a previous post, I discussed how it was possible to scrap the NSERC website to get stats about discovery grants. Since we just got the new 2018 figures, I thought it would be a good opportunity to update my graphs, library(XML) library(stringr) url="http://www.nserc-crsng.gc.ca/...

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Introducing olsrr

February 7, 2019 | Rsquared Academy Blog - Explore Discover Learn

I am pleased to announce the olsrr package, a set of tools for improved output from linear regression models, designed keeping in mind beginner/intermediate R users. The package includes: comprehensive regression output variable selection procedures heteroskedasticiy, collinearity diagnostics and measures of influence various plots and underlying data If you ...

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Coloring Under the Lines in ggplot

February 7, 2019 | Home on educatorsRlearners: A blog about education and R

I am tasked with explaining incredibly complex things to people who do not have a lot of time. Consequently, using visuals has been a life saver. One day I was visiting a school explaining the Common Eurpoean Framework of Reference for Languages, which, in a nutshell, describes what language learners ...

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“Correlation does not imply causation”. So what does?

February 7, 2019 | R on Just be-cause

Machine learning applications have been growing in volume and scope rapidly over the last few years. What’s Causal inference, how is it different than plain good ole’ ML and when should you consider using it? In this report I try giving a short ...

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“Correlation is not causation”. So what is?

February 7, 2019 | R on Just be-cause

Intro Machine learning applications have been growing in volume and scope rapidly over the last few years. What’s Causal inference, how is it different than plain good ole’ ML and when should you consider using it? In this report I try giving a...

[Read more...]

Chester (sorry, Liverpool) is the Most Popular City in the World (relative to use as password per inhabitant)

February 7, 2019 | R on Sastibe's Data Science Blog

Update 2018-02-17: The title of this article has changed reflecting new information I have received since publishing. For mor information, I refer to the last paragraph. A treasure trove of leaked passwords The API of pwnedpasswords.com is quite remarkable. It not only allows you to fetch the results ...

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Liverpool is the Most Popular City in the World (relative to use as password per inhabitant)

February 7, 2019 | R on Sastibe's Data Science Blog

A treasure trove of leaked passwords The API of pwnedpasswords.com is quite remarkable. It not only allows you to fetch the results generally obtained by typing in your e-mail into the browser interface and finding out whether or not you've been pwned from the comfort of your shell. It ...

[Read more...]

Introducing olsrr

February 7, 2019 | Rsquared Academy Blog

I am pleased to announce the olsrr package, a set of tools for improved output from linear regression models, designed keeping in mind beginner/intermediate R users. The package includes: comprehensive regression output variable selection procedures heteroskedasticiy, collinearity diagnostics and measures of influence various plots and underlying data If you ...

[Read more...]

Launching codecentric.AI Bootcamp course!

February 7, 2019 | Dr. Shirin Glander

Today, I am happy to announce the launch of our codecentric.AI Bootcamp! This bootcamp is a free online course for everyone who wants to learn hands-on machine learning and AI techniques, from basic algorithms to deep learning, computer vision and NLP....

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

February 2019

stringfix : adding transcoder shiny app

Updating the good old Homologene database

BDA3 Chapter 14 Exercise 3

CIS Primer Question 1.5.2

CIS Primer Question 3.2.1

Manipulating strings with the {stringr} package

Quick Hit: Speeding Up a Slow/Mundane Task with a Little Rcpp

Inserting “Edit on GitHub” Buttons in a Single R Markdown Document

Where the German Companies Are

Benchmarking cast in R from long data frame to wide matrix

Deploying an R Shiny App With Docker

NSERC – Discovery Grants Program, over the past 5 years

Introducing olsrr

Coloring Under the Lines in ggplot

“Correlation does not imply causation”. So what does?

“Correlation is not causation”. So what is?

Chester (sorry, Liverpool) is the Most Popular City in the World (relative to use as password per inhabitant)

Liverpool is the Most Popular City in the World (relative to use as password per inhabitant)

Introducing olsrr

Launching codecentric.AI Bootcamp course!

February 2019

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