Number of PCs using scree plot
Now you will implement the elbow method relating to the change in the relative importance of the variance to choose the number of components. We will use the pca.state object containing the PCs of the state.x77 to implement this method.
Latihan ini adalah bagian dari kursus
Multivariate Probability Distributions in R
Petunjuk latihan
- Use the
screeplot()function to plot the relative importance of the variance explained by the eight PC's of thestate.x77dataset.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Draw screeplot
screeplot(___, type = "l")
grid()