With over 17,000 participants, 50 speakers, many talks and interesting insights: That was rstudio::global 2021. We look back on for you. We followed the rstudio::global and now give you insights into a selection of the most exciting talks for us. Your R is My R too: Reflections on creating the Mi-R ...
Chapter 4 of my course Empirical Economics with R covers a popular strategy to estimate causal effects: difference-in-differences estimation. Inspired by Matt Taddy’s textbook example, the main application is to estimate the causal effects of search en... [Read more...]
The past two posts have (lightly) introduced how to use compiled Swift code in R, but they’ve involved a bunch of “scary” command line machinations and incantations. One feature of {Rcpp} I’ve always ???? is the cppFunction() (“r-lib” zealots have a similar cpp11::cpp_function()) which lets one experiment ...
Descriptive versus inferential statistics
Motivations and limitations
Hypothesis test
Why?
When?
How?
Method A: Comparing the test statistic with the critical value
Step #1: Stating the null and alternative hypothesis
Step #2: Computing the test st...
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 ...
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. ...
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 ...
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...]
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.
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...]
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...
I’ve kindly been invited to share a few words about a recent paper my colleagues and I published in Bayesian Analysis: “Bayesian Regression Tree Models for Causal Inference: Regularization, Confounding, and Heterogeneous Effects”. In that paper, we motivate and describe a method that we call Bayesian causal forests (BCF), ...
This is a brief walk through of the session functionality in {rvest} as used on a recent project involving data on the web hidden behind multiple layers of forms and file-download malarkey.
It comes from a recent project where a periodically update... [Read more...]
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...
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 ...
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…
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 - ...
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...]