Giulio’s Substack
Giulio DonninelliHi, I'm Giulio, a 22-year-old Italian student. I'm excited to share my journey as a Data Science undergraduate through a series of weekly posts.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
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| Issues | 24 | Founded | 2 years ago | Last Issue | a year ago |
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giuliodonninelli.substack.comLatest Issues
How to increase the performance of a classifier by using the dimensionality reduction tools
Currently, I’m writing my bachelor’s thesis in Statistics, focusing on the combination of dimensionality reduction techniques with ensemble algorithms. The first step in this process is gathering information from existing literature. One of...
The Fundamentals of Decision Tree Learning
The decision tree is a very popular algorithm used for both classification and regression tasks, especially when interpretability is a key concern. It also serves as the foundation for many more complex algorithms, such as Random Forest and...
LDA in Machine Learning: A Tool for Classification and Feature Extraction
Last week, we focused on the first of the two most popular Machine Learning algorithms that make the Bayes Classifier feasible. If you want to understand why we can’t directly use Bayes’ theorem to derive the posterior for a classification...
Naive Bayes: The Simple Algorithm That Keeps Beating the Odds
This is a two-part post. The first part, which will be published on , provides an in-depth look at the Bayesian classifier and why it is theoretically the best classifier among all. I highly recommend checking it out for a deeper understand...
Approximating Globally Isn’t Always the Best Idea: Understanding Random Projections
Continuing with the series of dimensionality reduction algorithms, one noteworthy procedure is random projections.
Most of the time in statistics, when we design an algorithm that inevitably causes some loss of information, we choose a cos...
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