David Neuzerling

David Neuzerling

Data, Maths, R

I’m obsessed with how to structure a data science project. The time I spend worrying about project structure would be better spent on actually writing code. Here’s my preferred R workflow, and a few notes on Python as well.

Suppose I want a function that runs some setup code before it runs the first time. Maybe I’m using dplyr but I haven’t properly declared all of my dplyr calls in my function, so I want to run library(dplyr) before the actual function is run. Or maybe I want to install a package if it isn’t already installed, or restore a renv file, or any other setup process. I only want this special code to run the first time my function is called. After that, the function that runs should be…

MLflow is a platform for the “machine learning cycle”. It’s a suite of tools for managing models, with tracking of hyperparameters and metrics, a registry of models, and options for serving. It’s this last bit that I’m going to focus on today.

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