Contents - Index

Rank entries based on two testers

Under the main menu Biplot Tools, click Combine two testers. A tester selecting pane containing two drop-down box will appear on the top of the biplot.

Select the two testers (tester1 and tester2, for example) to be joined and click the Combine button. The biplot will look like:

Interpretation:

• The two selected testers are in full names and other testers are displayed as "E";

• The two selected testers are connected by a thin red line, and the mid-point of the red line is indicated by a small circle, which may be called the "combined tester";

• A thick red line is drawn, which passes through the biplot origin and the combined tester, referred to as the "combined tester axis";

• The entries are ranked along with the combined tester axis, with the arrow pointing to greater values. Thus, based on tester1 and tester2, the rank of the entries is: Entry7 > Entry5> Entry2> Entry1> Entry4> Entry6> Entry3; and

The thick blue line passes the biplot origin and is perpendicular to the combined tester axis. It indicates the position of the grand mean based on the two testers. Thus, we have Entry7 > Entry5> Entry2> AVERAGE> Entry1> Entry4> Entry6> Entry3.