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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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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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 ...
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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 ...
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