Choosing the right data file format for numerical computing

Oct 10, 2019 · Madison, United States of America

This talk will go over the pros and cons of various data file formats common in scientific python workflows. We'll cover various concerns when storing data on-disk and how popular formats address these challenges. The file formats covered will include CSV, flat binary, HDF5, NetCDF4, Parquet/Arrow, and Zarr.


David Hoese is a software developer at the Space Science and Engineering Center at the University of Wisconsin-Madison. He graduated with a Bachelor's degree in Computer Engineering from UW-Madison. David works on writing software tools to assist atmospheric scientists with a focus on analyzing satellite and ground-based instrument data.

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