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.
Este ejercicio forma parte del curso
Multivariate Probability Distributions in R
Instrucciones del ejercicio
- Use the
screeplot()function to plot the relative importance of the variance explained by the eight PC's of thestate.x77dataset.
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# Draw screeplot
screeplot(___, type = "l")
grid()