Parthsarthi Joshi

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Blogs

Writing on my interests...
ML, books, thoughts.

Here I churn my ideas to understand them better and curate a collection of them.

August 20, 2026 / Substack

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Degrees of Freedom Explained: Statistics, Sample Variance(n-1), and Robotics

Degrees of freedom is a topic that remains mostly in the backstage, gets hastily mentioned, but never explored in popular tutorials.

August 1, 2026 / Substack

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China's open-source gift: a gift or a constraint?

The article explores the reasons China might be open-sourcing frontier-level AI models.

June 27, 2026 / Substack

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When Linear Regression beats Random Forest/XGBoost...

6 years ago, when I first started learning Machine Learning, I thought the best thing was to use the Random Forest model or the XGBoost model.

June 5, 2026 / Substack

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Why is HARKing such a problem?

Explained intuitively without math....

New public posts published on Substack appear here automatically.

Parthsarthi Joshi

Founder & CEO, vijAI Robotics