Introduction Comma-separated values (CSV) are an extremely popular format to store tabular data because of their simplicity and how easy is to write them. The file can be directly read by a human, as opposed to more efficient binary formats like...
Introduction At the time of writing this post, we are in the process of releasing pandas 2.0. The project has a large number of users, and it's used in production quite widely by personal and corporate users. This large use based forces us to be...
The problem We want to find out which are the top #5 American airports with the largest average (mean) delay on domestic flights. Data We will be using the Data Expo 2009: Airline on time data dataset from the Harvard Dataverse. The data consists...
This week we organized a round table with people involved in the management of data projects. Mostly data science. The idea came after the Executives at PyData session organized earlier this year. And discussions with few people on the challenges...
Some context This post is mainly a technical post on what's the status of the pandas documentation. But let me provide a bit of context on where this comes from. It's a personal opinion, but I think pandas is one of the clearest examples of how...
Some exciting news. After some years of organizing sprints, and maintaining open source, I've been thinking on a more efficient workflow for projects with high volume of activity, like pandas. An exaggerated example would be that I want to create...
Last week took place in Bilbao, Spain, EuroSciPy 2019. This year we introduced the maintainers track a room dedicated to discussions among maintainers. The idea is similar to the birds of a feather or unconference sessions of other conferences....
Leo Breiman was a distinguished statistician at UC Berkeley, known among other things for his major contributions to CART (decision trees), and ensemble techniques, mainly bootstrap aggregation. Combining both, he was able to define one of the...
Today I've got my new Dell XPS (with Ubuntu preinstalled), and this is the procedure to set it up, and get my perfect working environment. This is expected to be useful mainly for my future self, but sharing it here in case someone else can find...
While git is surely one of my favorite tools, and increases my productivity in a sometimes unbelivable way (like when working on 3 or 5 features at the same time), some times there are operations that can be a bit tricky. There are plenty of git...