Lab 23: Principal Component Analysis

Note

In lab.qmd ## Lab 23 section,

1. Use slice() to print the first six rows of iris data.

2. Perform PCA on Sepal.Length, Sepal.Width, Petal.Length, and Petal.Width.

3. Generate biplot, and explain it.

  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
1          5.1         3.5          1.4         0.2  setosa
2          4.9         3.0          1.4         0.2  setosa
3          4.7         3.2          1.3         0.2  setosa
4          4.6         3.1          1.5         0.2  setosa
5          5.0         3.6          1.4         0.2  setosa
6          5.4         3.9          1.7         0.4  setosa