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Useful code Programming with VBA, C# and Python

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Month: September 2025

Home › 2025 › September
XGBoost for beginners – from CSV to Trustworthy Model
Python

XGBoost for beginners – from CSV to Trustworthy Model

Vitosh Sep 22, 2025 Tagged with beginners, model, Python, xgboost

This is what we do with in the YouTube video below: take a tiny CSV and explore it with plain words we train a strong model, using the XGBoost python library (eXtreme Gradient Boosting) pick a practical decision treshold and …

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Correlation – explained with Python
Python

Correlation – explained with Python

Vitosh Sep 7, 2025 Tagged with correlation, pearson, Python, spearman

When you plot two variables, you see data dots scattered across the plane. Their overall tilt and shape tell you how the variables move together. Correlation turns that visual impression into a single number you can report and compare. What …

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Python – Learn Pandas with SQL Examples – Football Analytics Example
Python

Python – Learn Pandas with SQL Examples – Football Analytics Example

Vitosh Sep 3, 2025 Tagged with analytics, data science, NumPy, Pandas, Python, sql

When working with data, you will often move between SQL databases and Pandas DataFrames. SQL is excellent for storing and retrieving data, while Pandas is ideal for analysis inside Python. In this article, we show how both can be used …

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