Articles by R on Adi Sarid's personal blog

Confidence and prediction intervals explained… (with a Shiny app!)

December 13, 2019 | R on Adi Sarid's personal blog

This semester I started teaching introduction to statistics and data analysis with R, at Tel-Aviv university. I put in a lot of efforts into bringing practical challenges, examples from real life, and a lot of demonstrations of statistical theory with R. This post is an example for how I’ve ...

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Retrieving google drive item shares and permissions (in R)

September 17, 2019 | R on Adi Sarid's personal blog

Google drive is a great tool, specifically we’ve been using “G Suite” (the equivalent of google drive but for businesses), for a long time. Lately I noticed it’s missing an important feature - monitoring file shares and permission of google drive items across organization is non-trival (at least ... [Read more...]

Securing Shiny apps with AWS Cognito authentication

August 30, 2019 | R on Adi Sarid's personal blog

Background Shiny apps are a great way to share information and empower your users. Sometimes you want to make sure that only authenticated and authorized users will be able to view your shiny apps. There are a number of ways to make sure only certain users have access to your ...

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What NOT to do when building a shiny app (lessons learned the hard way)

July 19, 2019 | R on Adi Sarid's personal blog

I’ve been building R shiny apps for a while now, and ever since I started working with shiny, it has significantly increased the set of services I offer my clients. Here’s a documentations of some of the many lessons I learned in previous projec...

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Test your tidyness – a short quiz to check your tidyverse capabilities

April 28, 2019 | R on Adi Sarid's personal blog

Over the last month I gave a tidyverse + intro to data science corporate training in a startup in Tel-Aviv. We had two groups (beginners and intermediates), and for the last assignment of the course I was aiming for a short quiz comprised of various topics which we covered during the ...

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The teachR’s::cheat sheet

March 12, 2019 | R on Adi Sarid's personal blog

A few months ago I attended the 2019 rstudio::conf, including the shiny train-the-trainer workshop. It was a two day workshop and it inspired me in many ways. The first day of the workshop focused on the very basics of teaching (R or anything else),...

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Settling class action lawsuits with conjoint analysis and R (+a conjoint shiny app)

February 3, 2019 | R on Adi Sarid's personal blog

A few days ago I presented at the 9th Israeli class action lawsuit conference. You’re probably asking yourself what would a data scientist do in a room full of lawyers? Apparently, there is a lot to do… Here’s the story: being in market research, we get a lot ...

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Purrring progress bars (adding a progress bar to `purrr::map`)

January 25, 2019 | R on Adi Sarid's personal blog

With all the functional programming going on (i.e., purrr::map and the likes), there is at least one thing that I found missing: progress bars. The plyr::do function had a nice looking progress bar open up by default if the operation took more than 2 seconds and had at ... [Read more...]

Short note about tidyeval

January 20, 2019 | R on Adi Sarid's personal blog

Following Jenny Bryan’s talk on tidyeval in the last rstudio::conf 2019, I decided to write this short note (mainly as a reminder to myself). What is tidyeval? Tidy evaluation, or non standard evaluation, allows us to pass column names between functions. This is the “classic” behaviour of most tidyverse ... [Read more...]

Recap: what I learned in rstudio::conf2019

January 19, 2019 | R on Adi Sarid's personal blog

First, let me start by saying wow!, what a wonderful experience. When I booked the trip from Israel to Austin, TX, I thought that I’ll see some good content, and learn at the conference (as I in fact did). It was much more enjoyable than I could’ve imagined. ... [Read more...]

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Articles by R on Adi Sarid's personal blog

Confidence and prediction intervals explained… (with a Shiny app!)

Retrieving google drive item shares and permissions (in R)

Securing Shiny apps with AWS Cognito authentication

What NOT to do when building a shiny app (lessons learned the hard way)

Test your tidyness – a short quiz to check your tidyverse capabilities

The teachR’s::cheat sheet

Settling class action lawsuits with conjoint analysis and R (+a conjoint shiny app)

Purrring progress bars (adding a progress bar to `purrr::map`)

Short note about tidyeval

Recap: what I learned in rstudio::conf2019

Articles by R on Adi Sarid's personal blog

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