The Data Nerd

What is a support vector?

Support vector machines are supervised machine learning models that are well-suited for high-dimensional data and…

Better Python Programming for Data Scientists, Part 4: Introduction to Object-Oriented Programming

Strategies for Imbalanced Classes

Many real-world problems involve imbalanced classes, but most classification algorithms don’t handle…

ML Core Concepts: Precision and Recall

At every data science job interview I have ever had, from grad school internships to senior…

Better Python Programming for Data Scientists, Part 3: Data Structures

Homoscedasticity vs Heteroscedastcity

Homoscedasticity is constant (or homogeneous) variance in a set of random variables. You may…

Understanding the Bias-Variance Tradeoff

The Bias-Variance Tradeoff is a concept that is easy to skip over when first starting out…

Better Python Programming for Data Scientists, Part 2: More Python Fundamentals

An Introduction to Uplift Modeling

Marketing campaigns can be expensive. You want to contact only the people who you think will be…