Research Article

A Simplified Approach for Two-Dimensional Optimal Controlled Sampling Designs

Table 10

The set of all preferred combinations for 4 × 4 population.

Sample 1Sample 2Sample 3Sample 4Sample 5Sample 6

110011001100110011000110
001100110011100110101100
11000011100 1001101011001
001111000110011000110011

Sample 7Sample 8Sample 9Sample 10Sample 11Sample 12

011001100110011001100110
011000111001100110011001
100110011100011000111001
100111000011100111000110

Sample 13Sample 14Sample 15Sample 16Sample 17Sample 18

011001100110011000110011
100110011010010111001100
101001011001100111000011
010110100101101000111100

Sample 19Sample 20Sample 21Sample 22Sample 23Sample 24

001100110011100110011010
110010010101011010010011
100111001010100101101100
011001101100011001100101

Sample 25Sample 26Sample 27Sample 28Sample 29Sample 30

101010101010101001010101
100110100101010111001001
010101011001010100111010
011001010110101010100110

Sample 31Sample 32Sample 33

010101010101
101010100101
100110101010
011001011010