HackerNoon Articles
Published:
The following list contains my blogs that are published in HackerNoon. I was awarded Hacker Noon 2020 Contributor of the Year in algorithms category.
Suraj Regmi
Senior Data Scientist, Health Care Service Corporation
- Chicago, IL
- Github
- Stackoverflow
- Google Scholar
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How Did Feynman Calculate Cube Root So Faster?
2 minute read
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An episode from Surely You’re Joking, Mr. Feynman! has stuck with me for years, and I wanted to analyze the math behind it. In the story, Feynman describes an interaction with a Japanese man at a restaurant in Brazil.
How Many Samples Are Needed to Detect System Improvement?
6 minute read
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Background
In the real world, often, we would not be solving some problem for the first time. There would already be some existing solution in place and we would like to improve upon the existing solution. The improvement might come in different flavors; it can be expansion of the solution or simply improvement of the solution on some performance metric.
Towards Data Science Articles
less than 1 minute read
Published:
The following list contains my blogs that are published in Towards Data Science. Mostly, the blogs revolve around machine learning, data science, algorithms, and mathematics.
Interpretation of Area Under the ROC Curve
5 minute read
Published:
Background
AUROC is one of the most commonly used metric in binary classification tasks. It stands for Area Under Curve - Receiver Operating Characteristics. It is simply the area under the ROC curve. One way of interpreting AUROC is that it is just the area under the ROC curve obtained by interpolating TPR and FPR at different thresholds. There is also another probabilistic interpretation of AUROC. We will state that and prove why that is the case mathematically.