2020 has been a tough year, and I've been doing my best to keep busy (and distracted from all the insanity - both at the personal and worldwide levels). Earlier this year, I took a course in machine learning techniques and have been working on applying...

2020 has been a tough year, and I've been doing my best to keep busy (and distracted from all the insanity - both at the personal and worldwide levels). Earlier this year, I took a course in machine learning techniques and have been working on applying...

https://www.flickr.com/photos/alexismarod/33815546074/ Trail running can be hard. During one, I was wondering if we can avoid the race completely and predict the race time according to distance, elevation change, sex and performance index (so yes, we have to run sometimes to measure it). We need a ...

Machine learning, deep learning, and artificial intelligence are buzzwords for good reason—these technologies are fundamentally shifting the nature of business, society, and our lives. More importantly, across many verticals, they’re shifting fro...

You can read the original post in its original format on Rtask website by ThinkR here: Download Gitlab or Github issues and make a summary report of your commits While working on our {gitdown} package, I wanted to show more information on the report generated by retrieving all issues of ...

You can read the original post in its original format on Rtask website by ThinkR here: Transform a folder as git project synchronized on Github or Gitlab You have been working for years on your R scripts, and saved all versions as “script_v1.R”, “script_v2.R”, “script_v2_...

It has been repeated many times on many platforms, the R (or R⁰) number is not a great summary about the COVID-19 pandemic, see eg Rossman’s warning in The Conversation, but Nature chose to stress it one more time (in its 16 Jul edition). Or twice when considering a similar ...

Breifly VoteView & DW-NOMINATE Longest-serving members of the US House Longest-serving members & political ideology Longest-serving members & election margins Margins & ideology: the example of Frank Pallone, Jr. (NJ-06) A re-election model – logistic regression Thoughts Breifly In this post, we take a couple of different historical perspectives on the US House of Representatives, ...

Sometimes, geographic information is given as street intersections rather than GPS coordinates or street addresses with house numbers. Intersections can be geocoded with Google Maps (Limited free usage with API), ArcGIS (paid software) or other web services which parse text and return coordinates. If you are lucky, there may be ...

If you are looking for a place to monitor expert forecasts for United States weekly and cumulative COVID-19 deaths, you can’t do any better than the Reich Lab (University of Massachusetts) COVID-19 Forecast Hub. The same is true for data scientists who may be seeking to publish their own ...

Updated on 2020-09-19: I changed the “Creating tables” section. In my original script I used copy_to(), which creates (unique) indexes, while here I wrote dbWriteTable() when I adapted my code, which doesn’t create indexes and only adds records. Upd...

Updated on 2020-09-19: I changed the “Creating tables” section. In my original script I used copy_to(), which creates (unique) indexes, while here I wrote dbWriteTable() when I adapted my code, which doesn’t create indexes and only adds records. Upd...

The Goldilocks principle has its origins in a children’s story about a girl who tastes the bowls of porridge left by three bears. She prefers the one that is neither too hot nor too cold, but is just right. When it comes to investing in stocks, how many is “...