Scree plot

Besides the view shown in figure 31.38, the result of the principal component can also be viewed as a scree plot by clicking the Show Scree Plot (Image histogram) button at the bottom of the view. The scree plot shows the proportion of variation in the data explained by each of the principal components. The first principal component accounts for the largest part of the variability.

In the Side Panel to the left, there is a number of options to adjust the view. Under Graph preferences, you can adjust the general properties of the plot.

The Lines and plots below contains the following parameters:

Note that the graph title and the axes titles can be edited simply by clicking them with the mouse. These changes will be saved when you Save (Image Save_Blue_16_n_p) the graph - whereas the changes in the Side Panel need to be saved explicitly.