R-bloggers

wrong algebra for slice sampler

January 26, 2021 | xi'an

Once more, and thrice alas!, I became aware of a typo in our “Use R!” book through a question on X validated from a reader unable to reproduce the slice of a basic 2D slice sampler for a logistic regression with coefficients (a,b). Indeed, our slice reads as the ...

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Scraping, Analysing, and Visualising lyrics in R

January 26, 2021 | statnamara

It’s been a while since my last post, so I wanted to dig into my old work-in-progress folder to find something to rework and put up here. So here it is, a fairly handy way to analyse the lyrics of your favourite artists using R and the genius API. ...

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{fusen}: Create a package from a simple RMarkdown file

January 26, 2021 | Sébastien Rochette

You can read the original post in its original format on Rtask website by ThinkR here: {fusen}: Create a package from a simple RMarkdown file You know how to build a Rmd, you were said or would like to put your work in a R package, but you think this ...

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Income and Happiness

January 26, 2021 | R on kieranhealy.org

People have been talking about this PNAS paper by Matthew Killingsworth: “Experienced well-being rises with income, even above $75,000 per year”. Here’s the abstract: Past research has found that experienced well-being does not incre... [Read more...]

rstudio::global(2021) highlights

January 26, 2021 | Laura Swales

On Thursday 21st January rstudio::global kicked off a 24-hour long virtual data science conference. Over 16,000 people registered to join... The post rstudio::global(2021) highlights appeared first on Mango Solutions.

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ELIZA Chatbot in R: Build Yourself a Shrink

January 26, 2021 | Learning Machines

More and more companies use chatbots for engaging with their customers. Often the underlying technology is not too sophisticated, yet many people are stunned at how human-like those bots can appear. The earliest example of this was an early natural language processing (NLP) computer program called Eliza created 1966 at the ... [Read more...]

Learn How to Write SQL From R

January 25, 2021 | Business Science

This article is part of a R-Tips Weekly, a weekly video tutorial that shows you step-by-step how to do common R coding tasks. SQL queries getting you down 😰? Let R write SQL queries for you! Here are the links to get set up. 👇 Get the Code Yo...

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How to Add a Regression Line to a ggplot?

January 25, 2021 | R on Thomas’ adventuRe

Linear regression is arguably the most widely used statistical model out there. It’s simple and gives easily interpretable results. Since linear regression essentially fits a line to a set of points it can also be readily visualized. This post fo...

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Learn All About HTTP Testing: Book Update

January 25, 2021 | rOpenSci - open tools for open science

More and more R packages access resources on the web, and play crucial roles in workflows. Examples from the rOpenSci suite of packages include rromeo, GSODR, qualtRics, rnassqs, and many, many others. Like for all other packages, appropriate unit tes...

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Backcast a Time Series for Covid-19 Truths

January 25, 2021 | Selcuk Disci

A couple of months ago, Turkey’s Health Minister announced that the positive cases showing no signs of illness were not included in the statistics. This statement made an earthquake effect in Turkey, and unfortunately, the articles about covid-19 I have wrote before came to nothing. The reason for this ...

$X_{1-m}, m > 0$

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3rd Insurance Data Science Conference

January 25, 2021 | arthur charpentier

Registrations and call for abstracts, for the 3rd Insurance Data Science Conference, organised on-line 16 – 18 June 2021 (PM in Europe, AM in America), are now open. See https://insurancedatascience.org/ for more details…

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The Impact of the COVID-19 Pandemic on My Walking Behavior in 2020

January 25, 2021 | Method Matters

In this post, we will take a look back at 2020, and analyze my step count data to understand some of the impacts that the COVID-19 crisis had on my walking behavior during that crazy year. The Data Step Counts & Measurement Devices The step count data come from 2 sources in 2020 - ...

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Upcoming Why R Webinar – Efficient computation with R

January 25, 2021 | Why R? Foundation

On Thursday, February 28th at 7 pm UTC, as part of the Why R? Webinar series, we have the honour to host Dr gwynn stuydevant from the Harvard Business School. She will talk about vectorization in R, using different cases to illustrate it. Join us!... [Read more...]

Share R shiny apps with brightRserver: 70-second sneak-peek

January 25, 2021 | Stephen McDaniel

Building, maintaining, and improving interactive R web apps has never been easier. YakData’s brightRserver seamlessly combines the best-in-class R editor and R web app server with Secure FTP publishing and synchronization.

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Making a Solar Insolation Map for Alberta (For novices!)

January 25, 2021 | Abed

Been a while since I've blogged here; wrapping up an MSc and moving continents from Europe to North America is all the excuse I need. This blog post is not going to be revolutionary, and obviously it builds on a lot of what others have done before (see...

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Counting Missing Values (NA) in R

January 24, 2021 | R on Thomas’ adventuRe

To check for missing values in R you might be tempted to use the equality operator == with your vector on one side and NA on the other. Don’t! If you insist, you’ll get a useless results. x [Read more...]

How to deal with OAuth2.0 in R packages?

January 24, 2021 | Posts on R-hub blog

If you see the web API you want to wrap uses OAuth2.0 rather than a simple API key for authentication, are you happy or do you get nervous? If you get nervous, this post is for you! We shall demystify OAuth2.0 a bit so that you might know how to ... [Read more...]

My book Advancing into Analytics is now an O’Reilly Early Release

January 24, 2021 | George Mount

I’m excited to share that the draft of my forthcoming book Advancing into Analytics: From Excel to R and Python is now available in its entirety on the O’Reilly Media Online Learning platform. This is the unedited proof of the book as it moves into production. Check your ... [Read more...]

7 Must-Have Skills to Get a Job as a Data Scientist

January 24, 2021 | Dario Radečić

Must-Have Skills for Data Science Everybody and their mother wants to learn data science. And there’s no reason not to – the job you do is interesting 95% of the time, the salaries are excellent, and most likely you can get the job done from the comfort of your bed. You ...

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A model of polygenic adaptation in an infinite population

January 24, 2021 | mrtnj

How do allele frequencies change in response to selection? Answers to that question include ”it depends”, ”we don’t know”, ”sometimes a lot, sometimes a little”, and ”according to a nonlinear differential equation that actually doesn’t look too horrendous if you squint a little”. Let’s look at a ...

$\dot{p}_i = -s \gamma_i p_i q_i (c_1 - z') - \frac{s \gamma_i^2}{2} p_i q_i (q_i - p_i) + \mu (q_i - p_i )$

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