A Guide to F1 Score

A Guide to F1 Score

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Effective evaluation metrics are crucial in assessing the performance of machine learning models. One of such metrics is the F1 score, which is widely used for classification problems, information retrieval, and NLP tasks. In this blog post, we’ll explore the foundational concepts of the F1 score, discuss its limitations, and look at use cases across diverse domains. What is the F1 score in machine learning? The performance of ML algorithms is measured using a set of evaluation metrics, […]

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Proof of Usefulness Hackathon: Win $150K+ from Bright Data, Neo4j, Algolia, Storyblok & HackerNoon 

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Happy New Year, world! As a New Year gift, HackerNoon brings you the grandest developer hackathon of 2026. The internet is overflowing with software that looks impressive, sounds intelligent, and quietly fails to help anyone. We’ve normalized pitch decks for products that don’t exist, AI demos with no users, and MVPs that launch with applause and vanish without a trace. Meanwhile, people still need tools that work. So we’re doing something different. Enters the Proof of Usefulness Hackathon! From […]

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Why Proper Waste Disposal Is Crucial For Healthcare Businesses

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When you go to the doctor, one thing you may have noticed is how trash is handled. Usually, there are multiple trash cans for regular waste and biohazard waste. While this is done to prevent contamination to other individuals, it is also very costly for medical providers if they fail to properly dispose of their waste. For every violation where a sharp object is thrown away improperly, there is a $13,653 fine per violation. This does not include […]

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Evaluating Edge-Termination Buffer Effects for Real-Time AV1 over MPEG2-TS over HTTP/3 QUIC

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In real-time delivery of AV1 over MPEG2-TS using HTTP/3 over QUIC, two fundamental approaches can be identified for improving video quality. The first is bitrate adaptation, represented by Adaptive Bitrate (ABR), which estimates available bandwidth and selects the optimal resolution and frame rate within that range. The second approach focuses on low-latency control, reducing RTT and ACK delay to increase effective throughput. This study emphasizes the latter perspective and, through terminal-side QUIC observation, suggests that user-space buffer saturation […]

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AI Safety Course Intro Blog

AI Safety Course Intro Blog

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I am teaching CS 2881: AI Safety this fall at Harvard. This blog is primarily aimed at students at Harvard or MIT (where we have a cross-registering agreement) who are considering taking the course. However, it may be of interest to others as well. For more of my thoughts on AI safety, see the blogs Six Thoughts on AI safety and Machines of Faithful Obedience.  IMPORTANT: At the end of this blog is Homework Zero. If you are […]

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