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June 2025

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Linear Algebra

Python Identity Matrix

June 4, 2025 Ryan Nolan No comments yet

Example 1 Create a 3×3 identity matrix also can use np.eye Example 2 Matrix Multiplication Example 3 Determinant of the Identity Matrix Example 4 Identity Matrix is Its Own Inverse Example 5 Eigenvalues of the Identity Matrix

Linear Algebra

Python Determinant of a Matrix

June 4, 2025 Ryan Nolan No comments yet

2×2 Example 3×3 Example singular matrix identity matrix The determinant of a product of matrices satisfies det(AB)=det(A)⋅det(B) Swapping two rows (or columns) of a matrix multiplies the determinant by − 1 Eigenvalues of A and their product Scale A by a scalar k and compute determinant the shape attribute of a numpy array provides the […]

scikit-learn

Ridge Regressor

June 4, 2025 Ryan Nolan No comments yet

https://youtu.be/GMF4Td7KtB0#Ridge Regression which is considered #L2 Regularization #helps with overfitting in linear regression models #keeping the coefficients small # lead to a model that is less prone to overfitting #balance between fitting the data and keeping the coefficients small #more robust and stable models, particularly when dealing with datasets that have highly correlated predictor variables […]

Python Pandas

Pandas datetime

June 3, 2025 Ryan Nolan 1 comment

In this Python Pandas lesson, we will take a look how Datetime works. If you would rather watch a YouTube video then read the article, the video the article is based around is linked below. https://youtu.be/1tmN3gbimvI?si=_fvXRgfzoFlm7deM Importing Required Libraries we start by importing three libraries: pandas as pd: for data manipulation and analysis numpy as […]

scikit-learn

Stacking Regressor

June 3, 2025 Ryan Nolan No comments yet

SEE ALL NULL VLAUES voting classifier hyperparamater tuning

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