Beginner's Guide to Principal Components
By Kilem Li Gwet, PhD

ERRATA Page

This page contains errors and typos contained in the book Beginner's Guide to Principal Components as reported by various readers.  Errors found by myself will be reported here as well.  Please check this page regularly for new reports.

• Page 2: In the footnote, the sentence that begins, “The larger data can be downloaded in CSV format ...” should read, “The larger dataset can be downloaded in CSV format ...”
• Page 22: The bottom-right element of matrix \(C\) in Equation (1.2.15) should be \(+1\), not \(-1\). The corrected matrix is:
  \begin{equation} \mbox{C} = \begin{pmatrix} 1 & -1 \\ 0.5 & +1 \end{pmatrix}, \end{equation}