When I Work Data

Data You Can Trust

The unloved problem of Data Science

Por que Parquet

How we cut our bandwidth usage by two-thirds with a single change

Self mockery

Here on the Data Team at When I Work we manage a lot of projects: 5 web apps, 7 services, 20 packages, 15 ETLs and several other assorted endeavors. That’s a lot for a team of six people to keep up with. One of the biggest reasons that I believe we succeed in managing all of these projects is our…

Nullable Integers

How to include missing values in your pandas integer columns

Using pandas MultiIndex.from_product to Fill In Missing Data

How to use pandas MultiIndex.from_product to create all possible combinations of two dimensions.

Processing Data with Dask

A painless introduction to an evolutionary approach to distributed data…

Using Server Side Encryption on S3 with Dask

Overview of how to store Dask dataframes to S3 with…

The Name of the Game

How to add, update and remove index names on pandas DataFrames

Why you should write your code like a recipe

Increase the readability and organization of your code