# Exercise 6. PCA - Solutions ###### tags: `exercise solutions` Problems as listed in [Exercise 6](https://hackmd.io/@ColbyBI377/exercise6) appear below indented. BI377 has finished for Fall 2025. Answers have been removed. If you're interested in this topic, please consider registering for the course next time it runs! --- **Quick Links** | [BI377 Moodle](https://moodle.colby.edu/course/view.php?id=33250) | [BI377 HackMD](https://hackmd.io/@ColbyBI377/landingpage) | [rstudo.colby.edu](https://rstudio.colby.edu/) ---