RAT 6.1: Robust Against Trends Program
(c) 2009 Design Computing (designcomputing.net/)

Note: Best design for m=4, p=13 and n=16.

try #     	1
seed      	1230955075625
# of iterations	11
f         	28.28
det       	3.5136655E14
std. det  	0.078019045
TF        	0.9692

Factor levels (columns 3-6):

-1	1	1	1	-1	1	
-0.8667	0.6	1	1	1	-1	
-0.7333	0.2571	-1	-1	-1	-1	
-0.6	-0.0286	-1	-1	1	1	
-0.4667	-0.2571	-1	1	1	1	
-0.3333	-0.4286	-1	1	-1	-1	
-0.2	-0.5429	1	-1	1	-1	
-0.0667	-0.6	1	-1	-1	1	
0.0667	-0.6	1	1	1	1	
0.2	-0.5429	1	1	-1	-1	
0.3333	-0.4286	-1	-1	1	-1	
0.4667	-0.2571	-1	-1	-1	1	
0.6	-0.0286	-1	1	-1	1	
0.7333	0.2571	-1	1	1	-1	
0.8667	0.6	1	-1	-1	-1	
1	1	1	-1	1	1	

X'X

6.0444	0	-0	-0	-2.1333	0	-0	-4.2667	0	0	-0	-1.0667	0	
	4.6629	0	1.8286	0	-0	0.4571	-0	-0	0.9143	0	-0	0	
		16	0	0	0	0	0	0	0	0	0	0	
			16	0	0	0	0	0	0	0	0	0	
				16	0	0	0	0	0	0	0	0	
					16	0	0	0	0	0	0	0	
						16	0	0	0	0	0	0	
							16	0	0	0	0	0	
								16	0	0	0	0	
									16	0	0	0	
										16	0	0	
											16	0	
												16	

inverse(X'X)

0.2197	0	0	0	0.0293	-0	0	0.0586	-0	-0	0	0.0146	-0	
	0.2279	-0	-0.026	-0	0	-0.0065	0	0	-0.013	-0	0	-0	
		0.0625	0	0	-0	0	0	-0	0	0	0	-0	
			0.0655	0	-0	0.0007	-0	-0	0.0015	0	-0	-0	
				0.0664	-0	0	0.0078	-0	0	0	0.002	-0	
					0.0625	-0	-0	0	-0	-0	-0	0	
						0.0627	0	-0	0.0004	0	0	-0	
							0.0781	-0	-0	0	0.0039	-0	
								0.0625	-0	-0	-0	0	
									0.0632	0	-0	0	
										0.0625	0	-0	
											0.0635	-0	
												0.0625	

Note: RAT used 0.015 seconds.