# Principal component analysis (2)

**4 Free Math Courses to do and Level up your Data Science Skills**- Jun 22, 2020.

Just as there is no Data Science without data, there's no science in data without mathematics. Strengthening your foundational skills in math will level you up as a data scientist that will enable you to perform with greater expertise.**What Is Dimension Reduction In Data Science?**- Jan 31, 2019.

An extensive introduction into Dimension Reduction, including a look at some of the different techniques, linear discriminant analysis, principal component analysis, kernel principal component analysis, and more.