The story begins One day my aunt, who is 75 years old and spends her days watching videos on TikTok, told me that this is, of course, none of her business, but she thinks that I’m not doing my kids a favor by vaccinating them against Covid-19, and as for herself, although she…

I’ve read this article recently: California's COVID rate is now twice that of Florida's despite mask mandates California's coronavirus rate is double that of , despite mask mandates and recommendations to prevent the spread of…www.foxnews.com And something didn’t quite add up in my head. I decided to look at the data a little more closely. The numbers don’t lie, so why is California doing so badly? …

A recent article in Washington Post claimed that air travel is significantly less dangerous than driving. A lot of people prefer to travel by car these days, since there’s a possibility to catch COVID-19 either on the plane, or at the airport. …

and is that the right thing to do — Pandas is a great tool to explore the data stored in files (comma-delimited, tab-delimited, Parquet, HDF5, etc). In fact, most tutorials that you’ll find on Pandas will start with reading some kind of a sample file (or files), most likely using .read_csv: Sometimes, the data that you want to…

Every software developer knows that iterating through rows of a dataset is one sure killer of performance. Loops are bad. Vectorized operations (operations that work on entire arrays) are good. Pandas, the Python library for data analysis, (https://pandas.pydata.org/), has vectorized operations for everything, allowing for great performance. For more on…

Fifteen years ago, there were only a few skills a software developer would need to know well, and he or she would have a decent shot at 95% of the listed job positions. Those skills were: Object-oriented programming. Scripting languages. JavaScript, and… SQL. SQL was a go-to tool when you…

In my previous article (https://codeburst.io/dealing-with-datetimes-like-a-pro-in-python-fb3ac0feb94b), I was writing about challenges related to the datetime type in Python. My recommended approach for solving them was to use Pendulum library (https://github.com/sdispater/pendulum). But guess what? Pandas can solve those problems just as well! What is Pandas? Pandas is an open-source Python library designed for data analysis…

This year, I signed up to be a part of the PyCon Program Committee — a group of people who evaluate and select talks for the annual Python programming conference — to review the proposals submitted for PyCon 2018. The experience provided insights into a lot of things I was…

Imagine you write an application similar to Google Analytics. It collects events from websites, and displays nice tables and charts to customers. Customers only have to install a little snippet of JavaScript on their websites, for the events to be sent to the server. Here is how an event might…