Figure 1.

Single-output case with different causal patterns: (i) common effect or explaining away effect configuration involving x1, x2 and y1; (ii) spouse configuration involving x5 and y1; (iii) common cause configuration involving y1, x3, x4; and (iv) causal chain configuration involving x1, y1, x4.

Bontempi et al. BMC Bioinformatics 2011 12:458   doi:10.1186/1471-2105-12-458
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