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Maximum Likelihood Estimation (MLE): Statistical Modeling in Data Science
Discover the fundamentals of Maximum Likelihood Estimation (MLE), its role in data science, and how it impacts businesses through predictive analytics and ri...
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Causality Beyond Correlation: Identification, DAGs, and Bias
Correlation is not causation, but the deeper question is how a causal effect becomes identifiable from a combination of design, assumptions, and data.
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Model Drift in Production: Case Studies
Machine learning models degrade over time due to model drift, which includes data drift, concept drift, and feature drift. Learn how to detect, measure, and ...
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Mathematical Models of Inequality: Understanding Lorenz Curves and Gini Coefficients
This article delves into mathematical models of inequality, focusing on the Lorenz curve and Gini coefficient to measure and interpret economic disparities.
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Multiple Imputation: What It Gets Right, What Can Go Wrong
Multiple imputation is neither a universal cure for missing data nor an indefensible fiction. Its validity depends on the missingness assumptions, the imputa...
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ROC and Precision-Recall Under Class Imbalance
ROC and precision-recall curves answer different questions under class imbalance. ROC AUC does not become invalid when prevalence is low, but precision expos...
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Understanding Splines: What They Are and How They Are Used in Data Analysis
Splines are powerful tools for modeling complex, nonlinear relationships in data. In this article, we'll explore what splines are, how they work, and how the...
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Shapiro-Wilk vs. Anderson-Darling: What Normality Tests Can and Cannot Tell You
Shapiro-Wilk and Anderson-Darling are useful diagnostics for normality, but choosing between them by sample-size thresholds is misleading. The real question ...
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Hypatia of Alexandria: The First Known Female Mathematician
Hypatia of Alexandria is recognized as the first known female mathematician. This article explores her contributions to geometry and astronomy, her philosoph...
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Calculus: Understanding Derivatives and Integrals
Dive into the world of calculus, where derivatives and integrals are used to analyze change and calculate areas under curves. Learn about these fundamental t...
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