Two Tinder Experiments: An Unequal Economy

I’ve seen a fair share of Tinder experiments come by, for instance, someone A/B-testing attractiveness with and without facial hair, but these new two posts on Medium are the best I’ve come across so far. In his first experiment, this self-proclaimed worst online dater went catfishing. He made a Tinder account using stock photos of…

A/B testing and Statistics at Etsy, by Emily Robinson

Generating numbers is easy; generating numbers you should trust is hard! Emily Robinson is a data scientist at Etsy, an e-commerce website for handmade and vintage products. In the #rstats community, Emily is nearly as famous as her brother David Robinson, whom we know from the tidytext R-package. Like any large tech company, Etsy relies heavily…

Kaggle Data Science Survey 2017: Worldwide Preferences for Python & R

Kaggle conducts industry-wide surveys to assess the state of data science and machine learning. Over 17,000 individuals worldwide participated in the survey, myself included, and 171 countries and territories are represented in the data. There is an ongoing debate regarding whether R or Python is better suited for Data Science (probably the latter, but I nevertheless prefer…

AI at MIT (2010/2015): Part 1 – Introduction

Massachusetts Institute of Technology (MIT) hosts their entire 2010 course on artificial intelligence / machine learning by Professor Patrick Winston on YouTube. Although some parts seem already kind of dated seven years later, the videos on several evolving topics (e.g., Neural Networks) have been updated in the fall of 2015. The tutorial assignments you can…

Video: Bias in Machine Learning

Mainstream media have caught onto the difficulties of machine learning. Most saliently, they just love to report how AI and bots can be as racist, discriminatory, or biased as humans. Some examples: Microsoft’s racist Twitter bot (Verge, 2016) Gender-biased text mining AI (Guardian, 2017) Racist criminal profiling bot (ProPublica, 2016) Google’s Sentiment Analyzer Thinks Being…

Text Mining: Shirin’s Twitter Feed

Text mining and analytics, natural language processing, and topic modelling have definitely become sort of an obsession of mine. I am just amazed by the insights one can retrieve from textual information, and with the ever increasing amounts of unstructured data on the internet, recreational analysts are coming up with the most amazing text mining…