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Table 3 Full two-level factorial design configuration

From: Evaluation of parameters for combining multiple textual sources of evidence for Web image retrieval using genetic programming

Factors Runs
  \(a_1b_1c_1\) \(a_2b_1c_1\) \(a_1b_2c_1\) \(a_2b_2c_1\) \(a_1b_1c_2\) \(a_2b_1c_2\) \(a_1b_2c_2\) \(a_2b_2c_2\)
Factor \(A\) \(-\) \(+\) \(-\) \(+\) \(-\) \(+\) \(-\) \(+\)
Factor \(B\) \(-\) \(-\) \(+\) \(+\) \(-\) \(-\) \(+\) \(+\)
Factor \(C\) \(-\) \(-\) \(-\) \(-\) \(+\) \(+\) \(+\) \(+\)
Interaction \(AB\) \(+\) \(-\) \(-\) \(+\) \(+\) \(-\) \(-\) \(+\)
Interaction \(AC\) \(+\) \(-\) \(+\) \(-\) \(-\) \(+\) \(-\) \(+\)
Interaction \(BC\) \(+\) \(+\) \(-\) \(-\) \(-\) \(-\) \(+\) \(+\)
Interaction \(ABC\) \(-\) \(+\) \(+\) \(-\) \(+\) \(-\) \(-\) \(+\)