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Data Science Tutorials
Advance your data career with our data science tutorials. We walk you through challenging data science functions and models step-by-step.
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Multivariate Linear Regression: A Guide to Modeling Multiple Outcomes
Learn when to use multivariate linear regression, understand its mathematical foundations, and implement it in Python with practical examples.
Vinod Chugani
July 13, 2025
Coefficient of Determination: What R-Squared Tells Us
Understand what the coefficient of determination means in regression analysis. Learn how it’s calculated, how to interpret its value, and when to use adjusted R-squared and partial R-squared instead.
Laiba Siddiqui
July 8, 2025
Linear Discriminant Analysis: Beyond Dimension Reduction
Learn how LDA optimizes class separation while reducing dimensions in your machine learning projects.
Arunn Thevapalan
July 7, 2025
Row Echelon Form Explained: A Guide to Transforming Matrices
Learn how to use row operations to convert matrices to row echelon form to solve systems of equations.
Arunn Thevapalan
July 6, 2025
Hadamard Product: A Complete Guide to Element-Wise Matrix Multiplication
Learn the mathematical foundations, computational properties, and real-world applications of the Hadamard product.
Vinod Chugani
July 2, 2025
Singular Matrix: Key Concepts and Examples in Data Science
Learn about singular matrices, their properties, detection methods, and critical implications for machine learning and numerical computing.
Arunn Thevapalan
July 2, 2025
Pydantic: A Guide With Practical Examples
Learn what Pydantic is, what it’s used for, and how it compares to alternatives like Marshmallow or Python’s dataclasses.
Bex Tuychiev
June 25, 2025
Poisson Regression: A Way to Model Count Data
Learn when to use Poisson regression, how to interpret results through incidence rate ratios, and implement essential techniques in R.
Vinod Chugani
June 24, 2025
Understanding Correlation: Measuring Relationships in Data
Learn how to identify relationships between variables using correlation. Discover the different types of correlation coefficients and their applications.
Josef Waples
June 24, 2025
Understanding Covariance: An Introductory Guide
Discover how covariance reveals relationships between variables. Learn how to calculate and interpret it across statistics, finance, and machine learning.
Josef Waples
June 24, 2025
Probability Mass Function: A Guide to Discrete Distributions
Learn how the probability mass function defines discrete probability distributions. Explore its properties, examples, and differences from probability density functions.
Vidhi Chugh
June 20, 2025
Hessian Matrix: A Guide to Second-Order Derivatives in Optimization and Beyond
Understand the role of the Hessian matrix in multivariable calculus and optimization. Learn how it’s used to analyze curvature, locate critical points, and guide algorithms in machine learning.
Vidhi Chugh
June 16, 2025