This exercise is designed to demonstrate how PCA (Principal Component Analysis) can simplify and clarify complex data, facilitating analysis and interpretation in biomedical research. It uses the "biopsy" dataset from the MASS package, one of the most popular and widely used tools in statistical analysis. Developed by the Venables and Ripley group, it accompanies the book "Modern Applied Statistics with S."

Map of Areal Chl values for LAKO/Sanna cruises. I have converted flu profiles to chl using a simple linear equation for each coast. I have then integrated the calculated chl profiles to 100m

T.test

rad, temp, wind, ozone

dat_read_csv, dat_read_excel

Female tip,male tip. t test