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      Qikai Gu

      Software Engineer in Machine Learning

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  • Sorted Transformed Array — Quadratic Function Application

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  • [ML from Scratch] K-Means

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  • [ML from Scratch] Prinpical Conponent Analysis (PCA)

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  • [ML from Scratch] Logistic Regression

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  • Step-by-Step Derivation of Gradients for Logistic Regression using the Chain Rule

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  • Hypothesis Testing

    Different tests and the comparison

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  • Minimum Window Substring

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  • Serializable Custom Transformer with Spark 2.0 (Scala)

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  • Binary Tree Traversal with O(1) Space

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  • Data Structures and Algorithms Takeaways

    Takeaways of solving coding problems

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