Scree plot
Besides the view shown in figure 28.87, the result of the principal component can also be viewed as a scree plot by clicking the Show Scree Plot (![Image histogram](./histogram.png)
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.
- Lock axes. This will always show the axes even though the plot is zoomed to a detailed level.
- Frame. Shows a frame around the graph.
- Show legends. Shows the data legends.
- Tick type. Determine whether tick lines should be shown outside or inside the frame.
- Outside
- Inside
- Tick lines at. Choosing Major ticks will show a grid behind the graph.
- None
- Major ticks
- Horizontal axis range. Sets the range of the horizontal axis (x axis). Enter a value in Min and Max, and press Enter. This will update the view. If you wait a few seconds without pressing Enter, the view will also be updated.
- Vertical axis range. Sets the range of the vertical axis (y axis). Enter a value in Min and Max, and press Enter. This will update the view. If you wait a few seconds without pressing Enter, the view will also be updated.
- Dot type
- None
- Cross
- Plus
- Square
- Diamond
- Circle
- Triangle
- Reverse triangle
- Dot
- Dot color. Allows you to choose between many different colors. Click the color box to select a color.
- Line width
- Thin
- Medium
- Wide
- Line type
- None
- Line
- Long dash
- Short dash
- Line color. Allows you to choose between many different colors. Click the color box to select a color.
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 () the graph - whereas the changes in the Side Panel need to be saved explicitly.