ML Battle Stories

Posted Apr 10, 2023 | Views 184

# ML projects

# Log Transform

# Etsy

SPEAKER

Alaa Awad

Staff Machine Learning Engineer @ Etsy

Alaa Awad is a Staff Machine Learning Engineer at Etsy, where he is a tech lead on the Ad Ranking team. With a decade of experience as a software engineer, he has honed his expertise in several industries including healthcare, automotive, and finance. Over the past five years, Alaa has focused on applied data science, leveraging his knowledge to build end-to-end machine learning systems at scale used for search, ad-bidding, recommendations, and computer vision.

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SUMMARY

Alaa shares their experiences in working on ML projects. In one example, their team attempted to introduce a new deep neural net architecture for predicting ad clicks but encountered challenges in revamping the entire ecosystem around the model. After overcoming these challenges, the team faced a new issue where the model suddenly stopped working. They discovered that the issue was caused by applying a log transform to a feature with a parallel distribution, resulting in NAND predictions when the feature became zero.

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